NEET 2022 questions
177 questions, by subject. Each opens with its options and answer.
Zoology
- In-situ conservation refers to:
Animal Husbandry
- In which of the following animals, digestive tract has additional chambers like crop and gizzard?
Digestion and Absorption
- If the length of a DNA molecule is 1.1 metres, what will be the approximate number of base pairs?
Biomolecules
- Given below are two statements : Statement I : Fatty acids and glycerols cannot be absorbed into the blood. Statement II : Specialized lymphatic capillaries called lacteals carry chylomicrons into lymphatic vessels and…
Digestion and Absorption
- Given below are two statements: Statement I: Autoimmune disorder is a condition where body defense mechanism recognizes its own cells as foreign bodies. Statement II: Rheumatoid arthritis is a condition where body does…
Human Health and Disease
- Which of the following statements are true for spermatogenesis but do not hold true for Oogenesis? (a) It results in the formation of haploid gametes (b) Differentiation of gamete occurs after the completion of meiosis…
Human Reproduction
- Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): Osteoporosis is characterised by decreased bone mass and increased chance of fractures. Reason…
Locomotion and Movement
- Given below are two statements: Statement I: Restriction endonucleases recognise specific sequence to cut DNA known as palindromic nucleotide sequence. Statement II: Restriction endonucleases cut the DNA strand a little…
Biomolecules
- Lippe's loop is a type of contraceptive used as:
Reproductive Health
- Under normal physiological conditions in human being every 100 ml of oxygenated blood can deliver ________ ml of O_2 to the tissues.
Breathing and Exchange of Gases
- Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : All vertebrates are chordates but all chordates are not vertebrates. Reason (R) : Notochord is…
Animal Kingdom
- Which of the following is not a connective tissue?
Structural Organisation in Animals
- Nitrogenous waste is excreted in the form of pellet or paste by :
Excretory Products and Elimination
- In an E. Coli strain i gene gets mutated and its product can not bind the inducer molecule. If growth medium is provided with lactose, what will be the outcome?
Biomolecules
- Which of the following is a correct match for disease and its symptoms?
Human Health and Disease
- Identify the microorganism which is responsible for the production of an immunosuppressive molecule cyclosporin A :
Human Health and Disease
- Given below are two statements : Statement I : Mycoplasma can pass through less than 1 micron filter size. Statement II : Mycoplasma are bacteria with cell wall. In the light of the above statements, choose the most…
Human Health and Disease
- Which of the following functions is not performed by secretions from salivary glands?
Digestion and Absorption
- Given below are two statements : Statement I : The coagulum is formed of network of threads called thrombins. Statement II : Spleen is the graveyard of erythrocytes. In the light of the above statements, choose the most…
Body Fluids and Circulation
- A dehydration reaction links two glucose molecules to product maltose. If the formula for glucose is C_6H_12O_6 then what is the formula for maltose?
Biomolecules
- Which of the following statements with respect to Endoplasmic Reticulum is incorrect?
Biomolecules
- Which of the following is present between the adjacent bones of the vertebral column?
Locomotion and Movement
- Tegmina in cockroach, arises from
Animal Kingdom
- Given below are two statements: Statement I : The release of sperms into the seminiferous tubules is called spermiation. Statement II : Spermiogenesis is the process of formation of sperms from spermatogonia. In the…
Human Reproduction
- If '8' Drosophila in a laboratory population of '80' died during a week, the death rate in the population is ______ individuals per Drosophila per week.
Evolution
- Natural selection where more individuals acquire specific character value other than the mean character value, leads to
Evolution
- Which of the following is not the function of conducting part of respiratory system?
Breathing and Exchange of Gases
- Breeding crops with higher levels of vitamins and minerals or higher proteins and healthier fats is called :
Animal Husbandry
- At which stage of life the oogenesis process is initiated?
Human Reproduction
- Identify the asexual reproductive structure associated with Penicillium :
Animal Kingdom
- In gene therapy of Adenosine Deaminase (ADA) deficiency, the patient requires periodic infusion of genetically engineered lymphocytes because :
Human Health and Disease
- Select the incorrect statement with reference to mitosis:
Biomolecules
- Detritivores breakdown detritus into smaller particles. This process is called:
Animal Kingdom
- If a colour blind female marries a man whose mother was also colour blind, what are the chances of her progeny having colour blindness?
Evolution
- Select the incorrect statement with respect to acquired immunity.
Human Health and Disease
- Statements related to human Insulin are given below. Which statement(s) is/are correct about genetically engineered Insulin? (a) Pro-hormone insulin contain extra stretch of C-peptide (b) A-peptide and B-peptide chains…
Human Health and Disease
- Which one of the following statements is correct?
Evolution
- Match List-I with List-II List-I (Biological Molecules) List-II (Biological functions) (a) Glycogen (i) Hormone (b) Globulin (ii) Biocatalyst (c) Steroids (iii) Antibody (d) Thrombin (iv) Storage product Choose the…
Biomolecules
- Ten E.coli cells with ^15N - dsDNA are incubated in medium containing ^14N nucleotide. After 60 minutes, how many E.coli cells will have DNA totally free from ^15N?
Biomolecules
- The recombination frequency between the genes a & c is 5%, b & c is 15%, b & d is 9%, a & b is 20%, c & d is 24% and a & d is 29%. What will be the sequence of these genes on a linear chromosome?
Evolution
- Which of the following are not the effects of Parathyroid hormone? (a) Stimulates the process of bone resorption (b) Decreases Ca^2+ level in blood (c) Reabsorption of Ca^2+ by renal tubules (d) Decreases the absorption…
Chemical Coordination and Integration
- Which of the following is not a desirable feature of a cloning vector?
Human Health and Disease
- Which of the following statements is not true?
Evolution
- Select the incorrect statement regarding synapses :
Neural Control and Coordination
- Match List-I with List-II List-I List-II (a) Bronchioles (i) Dense Regular Connective Tissue (b) Goblet Cell (ii) Loose Connective Tissue (c) Tendons (iii) Glandular Tissue (d) Adipose Tissue (iv) Ciliated Epithelium…
Structural Organisation in Animals
- Match List-I with List-II with respect to methods of Contraception and their respective actions. List-I List-II (a) Diaphragms (i) Inhibit ovulation and Implantation (b) Contraceptive Pills (ii) Increase phagocytosis of…
Reproductive Health
- Which of the following is a correct statement?
Evolution
- Given below are two statements: Statements I : In a scrubber the exhaust from the thermal plant is passed through the electric wires to charge the dust particles. Statement II : Particulate matter (PM 2.5) cannot be…
Human Health and Disease
Botany
- Which of the following is not a method of ex situ conservation?
Biodiversity and Conservation
- Identify the correct set of statements : (a) The leaflets are modified into pointed hard thorns in Citrus and Bougainvillea (b) Axillary buds form slender and spirally coiled tendrils in cucumber and pumpkin (c) Stem is…
Morphology of Flowering Plants
- Given below are two statements: Statement I: Decomposition is a process in which the detritus is degraded into simpler substances by microbes. Statement II: Decomposition is faster if the detritus is rich in lignin and…
Ecosystem
- Hydrocolloid carrageen is obtained from:
Plant Kingdom
- Which one of the following plants shows vexillary aestivation and diadelphous stamens?
Morphology of Flowering Plants
- Which of the following is incorrectly matched?
Diversity in Living World
- The process of translation of mRNA to proteins begins as soon as :
Molecular Basis of Inheritance
- Match List-I with List-II List-I List-II (a) Manganese (i) Activates the enzyme catalase (b) Magnesium (ii) Required for pollen germination (c) Boron (iii) Activates enzymes of respiration (d) Iron (iv) Functions in…
Mineral Nutrition
- Which one of the following never occurs during mitotic cell division?
Cell Cycle and Division
- Given below are two statements : Statement I : The primary CO_2 acceptor in C4 plants is phosphoenolpyruvate and is found in the mesophyll cells. Statement II : Mesophyll cells of C4 plants lack RuBisCo enzyme. In the…
Photosynthesis
- Which one of the following is not true regarding the release of energy during ATP synthesis through chemiosmosis? It involves:
Respiration in Plants
- Habitat loss and fragmentation, over exploitation, alien species invasion and co-extinction are causes for:
Biodiversity and Conservation
- What is the net gain of ATP when each molecule of glucose is converted to two molecules of pyruvic acid?
Respiration in Plants
- "Girdling Experiment" was performed by Plant Physiologists to identify the plant tissue through which:
Transport in Plants
- Which of the following is not observed during apoplastic pathway ?
Transport in Plants
- Which one of the following plants does not show plasticity?
Plant Growth and Development
- DNA polymorphism forms the basis of :
Molecular Basis of Inheritance
- XO type of sex determination can be found in :
Principles of Inheritance
- Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : Polymerase chain reaction is used in DNA amplification. Reason (R) : The ampicillin resistant…
Biotechnology
- The gaseous plant growth regulator is used in plants to :
Plant Growth and Development
- The device which can remove particulate matter present in the exhaust from a thermal power plant is :
Biodiversity and Conservation
- Given below are two statements : Statement I : Cleistogamous flowers are invariably autogamous Statement II : Cleistogamy is disadvantageous as there is no chance for cross pollination In the light of the above…
Sexual Reproduction in Flowering Plants
- Exoskeleton of arthropods is composed of :
Diversity in Living World
- Read the following statements and choose the set of correct statements : (a) Euchromatin is loosely packed chromatin (b) Heterochromatin is transcriptionally active (c) Histone octomer is wrapped by negatively charged…
Molecular Basis of Inheritance
- Which one of the following statements cannot be connected to Predation?
Organisms and Populations
- The flowers are Zygomorphic in: (a) Mustard (b) Gulmohar (c) Cassia (d) Datura (e) Chilly Choose the correct answer from the options given below:
Morphology of Flowering Plants
- Which one of the following produces nitrogen fixing nodules on the roots of Alnus?
Mineral Nutrition
- Identify the incorrect statement related to Pollination :
Sexual Reproduction in Flowering Plants
- Which one of the following statement is not true regarding gel electrophoresis technique?
Biotechnology
- Production of Cucumber has increased manifold in recent years. Application of which of the following phytohormones has resulted in this increased yield as the hormone is known to produce female flowers in the plants :
Plant Growth and Development
- What amount of energy is released from glucose during lactic acid fermentation?
Respiration in Plants
- In old trees the greater part of secondary xylem is dark brown and resistant to insect attack due to : (a) secretion of secondary metabolities and their deposition in the lumen of vessels. (b) deposition of organic…
Anatomy of Flowering Plants
- The appearance of recombination nodules on homologous chromosomes during meiosis characterizes :
Cell Cycle and Division
- Given below are two statements : Statement I : Mendel studied seven pairs of contrasting traits in pea plants and proposed the Laws of Inheritance. Statement II : Seven characters examined by Mendel in his experiment on…
Principles of Inheritance
- Transposons can be used during which one of the following ?
Biotechnology
- While explaining interspecific interaction of population, (+) sign is assigned for beneficial interaction, (–) sign is assigned for detrimental interaction and (0) for neutral interaction. Which of the following…
Organisms and Populations
- Match the plant with the kind of life cycle it exhibits: List-I List-II (a) Spirogyra (i) Dominant diploid sporophyte vascular plant, with highly reduced male or female gametophyte (b) Fern (ii) Dominant haploid…
Plant Kingdom
- Match List-I with List-II. List-I List-II (a) Metacentric chromosome (i) Centromere situated close to the end forming one extremely short and one very long arms (b) Acrocentric chromosome (ii) Centromere at the terminal…
Cell Cycle and Division
- Addition of more solutes in a given solution will :
Transport in Plants
- Which of the following occurs due to the presence of autosome linked dominant trait ?
Principles of Inheritance
- Which one of the following will accelerate phosphorus cycle?
Ecosystem
- In the following palindromic base sequences of DNA, which one can be cut easily by particular restriction enzyme?
Biotechnology
- Read the following statements on lipids and find out correct set of statements: (a) Lecithin found in the plasma membrane is a glycolipid (b) Saturated fatty acids possess one or more c = c bonds (c) Gingely oil has…
Cell Structure and Function
- What is the role of large bundle sheath cells found around the vascular bundles in C4 plants?
Photosynthesis
- If a geneticist uses the blind approach for sequencing the whole genome of an organism, followed by assignment of function to different segments, the methodology adopted by him is called as :
Molecular Basis of Inheritance
- Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : Mendel's law of Independent assortment does not hold good for the genes that are located closely…
Principles of Inheritance
- The anatomy of springwood shows some peculiar features. Identify the correct set of statements about springwood. (a) It is also called as the earlywood (b) In spring season cambium produces xylem elements with narrow…
Anatomy of Flowering Plants
- The entire fleet of buses in Delhi were converted to CNG from diesel. In reference to this, which one of the following statements is false?
Biodiversity and Conservation
Chemistry
- Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): ICl is more reactive than I_2. Reason (R): I-Cl bond is weaker than I-I bond. In the light of the…
p-Block Elements
- The IUPAC name of an element with atomic number 119 is
Periodic Classification
- Match List-I with List-II. List-I (Drug class) List-II (Drug molecule) (a) Antacids (i) Salvarsan (b) Antihistamines (ii) Morphine (c) Analgesics (iii) Cimetidine (d) Antimicrobials (iv) Seldane Choose the correct…
Chemistry in Everyday Life
- Match List-I with List-II. List-I (Hydrides) List-II (Nature) (a) MgH_2 (i) Electron precise (b) GeH_4 (ii) Electron deficient (c) B_2H_6 (iii) Electron rich (d) HF (iv) Ionic Choose the correct answer from the options…
Hydrogen and s-Block Elements
- The incorrect statement regarding enzymes is
Biomolecules
- The IUPAC name of the complex [Ag(H_2O)_2][Ag(CN)_2] is:
Coordination Compounds
- Gadolinium has a low value of third ionisation enthalpy because of
d- and f-Block Elements
- Amongst the following which one will have maximum 'lone pair - lone pair' electron repulsions?
Chemical Bonding
- Which of the following statement is not correct about diborane?
p-Block Elements
- Given below are two statements : Statement I : The boiling points of aldehydes and ketones are higher than hydrocarbons of comparable molecular masses because of weak molecular association in aldehydes and ketones due…
Aldehydes Ketones and Acids
- Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): In a particular point defect, an ionic solid is electrically neutral, even if few of its cations…
Solutions
- Given below are two statements Statement I The boiling points of the following hydrides of group 16 elements increases in the order – H_2O < H_2S < H_2Se < H_2Te Statement II The boiling points of these hydrides…
p-Block Elements
- The incorrect statement regarding chirality is
Basic Principles of Organic Chemistry
- Identify the incorrect statement from the following.
Chemical Bonding
- Choose the correct statement:
Equilibrium
- Identify the incorrect statement from the following
Periodic Classification
- Which one is not correct mathematical equation for Dalton's Law of partial pressure? Here p = total pressure of gaseous mixture
States of Matter
- Given below are two statements Statement I: The acidic strength of monosubstituted nitrophenol is higher than phenol because of electron withdrawing nitro group. Statement II: o-nitrophenol, m-nitrophenol and…
Alcohols Phenols and Ethers
- At 298 K, the standard electrode potentials of Cu^2+/Cu, Zn^2+/Zn, Fe^2+/Fe and Ag^+/Ag are 0.34 V, –0.76 V, –0.44 V and 0.80 V, respectively. On the basis of standard electrode potential, predict which of the following…
Redox and Electrochemistry
- Given below are two statements Statement I: In the coagulation of a negative sol, the flocculating power of the three given ions is in the order Al^3+ > Ba^2+ > Na^+ Statement II: In the coagulation of a positive sol,…
Surface Chemistry
- Match List-I with List-II List-I List-II (a) Li (i) absorbent for carbon dioxide (b) Na (ii) electrochemical cells (c) KOH (iii) coolant in fast breeder reactors (d) Cs (iv) photoelectric cell Choose the correct answer…
Hydrogen and s-Block Elements
- Given below are two statements Statement I: Primary aliphatic amines react with HNO_2 to give unstable diazonium salts. Statement II: Primary aromatic amines react with HNO_2 to form diazonium salts which are stable…
Amines and Nitrogen Compounds
- Which statement regarding polymers is not correct?
Polymers
- In one molal solution that contains 0.5 mole of a solute, there is
Solutions
- RMgX + CO_2 →[dry ether] Y →[H_3O^+] RCOOH What is Y in the above reaction?
Aldehydes Ketones and Acids
- Given below are half cell reactions: MnO_4^- + 8H^+ + 5e^- arrow Mn^2+ + 4H_2O, E°_Mn^2+/MnO_4^- = -1.510 V 1/2O_2 + 2H^+ + 2e^- arrow H_2O, E°_O_2/H_2O = +1.223 V Will the permanganate ion, MnO_4^- liberate O_2 from…
Redox and Electrochemistry
- What mass of 95% pure CaCO_3 will be required to neutralise 50 mL of 0.5 M HCl solution according to the following reaction? CaCO_3(s) + 2HCl(aq) arrow CaCl_2(aq) + CO_2(g) + 2H_2O(l) [Calculate upto second place of…
Some Basic Concepts of Chemistry
- The pH of the solution containing 50 mL each of 0.10 M sodium acetate and 0.01 M acetic acid is [Given pK_a of CH_3COOH = 4.57]
Equilibrium
- Match List-I with List-II. List-I (Products formed) List-II (Reaction of carbonyl compound with) (a) Cyanohydrin (i) NH_2OH (b) Acetal (ii) RNH_2 (c) Schiff's base (iii) alcohol (d) Oxime (iv) HCN Choose the correct…
Aldehydes Ketones and Acids
- Which amongst the following is incorrect statement?
p-Block Elements
- Given below are two statements: Statement I: In Lucas test, primary, secondary and tertiary alcohols are distinguished on the basis of their reactivity with conc. HCl + ZnCl2, known as Lucas Reagent. Statement II:…
Alcohols Phenols and Ethers
- If radius of second Bohr orbit of the He^+ ion is 105.8 pm, what is the radius of third Bohr orbit of Li^2+ ion?
Atomic Structure
- For a first order reaction A arrow Products, initial concentration of A is 0.1 M, which becomes 0.001 M after 5 minutes. Rate constant for the reaction in min^-1 is
Chemical Kinetics
- A 10.0 L flask contains 64 g of oxygen at 27ºC. (Assume O_2 gas is behaving ideally). The pressure inside the flask in bar is (Given R = 0.0831 L bar K^-1mol^-1)
States of Matter
- The pollution due to oxides of sulphur gets enhanced due to the presence of: (a) particulate matter (b) ozone (c) hydrocarbons (d) hydrogen peroxide Choose the most appropriate answer from the options given below:
Environmental Chemistry
- Copper crystallises in fcc unit cell with cell edge length of 3.608 × 10^-8 cm. The density of copper is 8.92 g cm^-3. Calculate the atomic mass of copper.
Solutions
- The order of energy absorbed which is responsible for the color of complexes (A) [Ni(H_2O)_2(en)_2]^2+ (B) [Ni(H_2O)_4(en)]^2+ and (C) [Ni(en)_3]^2+ is
Coordination Compounds
- Match List-I with List-II. List-I (Ores) List-II (Composition) (a) Haematite (i) Fe_3O_4 (b) Magnetite (ii) ZnCO_3 (c) Calamine (iii) Fe_2O_3 (d) Kaolinite (iv) [Al_2(OH)_4Si_2O_5] Choose the correct answer from the…
General Principles of Metallurgy
- In the neutral or faintly alkaline medium, KMnO_4 oxidises iodide into iodate. The change in oxidation state of manganese in this reaction is from
Redox and Electrochemistry
- Compound X on reaction with O_3 followed by Zn/H_2O gives formaldehyde and 2-methyl propanal as products. The compound X is
Hydrocarbons
- 3O_2(g) leftharpoons 2O_3(g) For the above reaction at 298 K, K_C is found to be 3.0 × 10^-59. If the concentration of O_2 at equilibrium is 0.040 M then concentration of O_3 in M is
Equilibrium
Physics
- Match List-I with List-II List-I (Electromagnetic waves) List-II (Wavelength) (a) AM radio waves (i) 10^-10 m (b) Microwaves (ii) 10^2 m (c) Infrared radiations (iii) 10^-2 m (d) X-rays (iv) 10^-4 m Choose the correct…
Electromagnetic Waves
- The angular speed of a fly wheel moving with uniform angular acceleration changes from 1200 rpm to 3120 rpm in 16 seconds. The angular acceleration in rad/s^2 is
Rotational Motion
- A biconvex lens has radii of curvature, 20 cm each. If the refractive index of the material of the lens is 1.5, the power of the lens is
Ray Optics
- As the temperature increases, the electrical resistance
Current Electricity
- The dimensions [MLT^-2A^-2] belong to the
Magnetism and Moving Charges
- In half wave rectification, if the input frequency is 60 Hz, then the output frequency would be
Semiconductor Electronics
- If the initial tension on a stretched string is doubled, then the ratio of the initial and final speeds of a transverse wave along the string is
Oscillations and Waves
- A shell of mass m is at rest initially. It explodes into three fragments having mass in the ratio 2 : 2 : 1. If the fragments having equal mass fly off along mutually perpendicular directions with speed v, the speed of…
Laws of Motion
- Two objects of mass 10 kg and 20 kg respectively are connected to the two ends of a rigid rod of length 10 m with negligible mass. The distance of the center of mass of the system from the 10 kg mass is
Rotational Motion
- If a soap bubble expands, the pressure inside the bubble
Properties of Matter
- An electric lift with a maximum load of 2000 kg (lift + passengers) is moving up with a constant speed of 1.5 ms^-1. The frictional force opposing the motion is 3000 N. The minimum power delivered by the motor to the…
Work Energy and Power
- The angle between the electric lines of force and the equipotential surface is
Electrostatics
- A long solenoid of radius 1 mm has 100 turns per mm. If 1 A current flows in the solenoid, the magnetic field strength at the centre of the solenoid is
Magnetism and Moving Charges
- In the given nuclear reaction, the element X is ^22_11Na arrow X + e^+ + ν
Atoms and Nuclei
- Given below are two statements Statement I : Biot-Savart's law gives us the expression for the magnetic field strength of an infinitesimal current element (Idl) of a current carrying conductor only. Statement II :…
Magnetism and Moving Charges
- The ratio of the radius of gyration of a thin uniform disc about an axis passing through its centre and normal to its plane to the radius of gyration of the disc about its diameter is
Rotational Motion
- The peak voltage of the ac source is equal to
Electromagnetic Induction and AC
- The energy that will be ideally radiated by a 100 kW transmitter in 1 hour is
Electromagnetic Waves
- In a Young's double slit experiment, a student observes 8 fringes in a certain segment of screen when a monochromatic light of 600 nm wavelength is used. If the wavelength of light is changed to 400 nm, then the number…
Wave Optics
- A square loop of side 1 m and resistance 1 Ω is placed in a magnetic field of 0.5 T. If the plane of loop is perpendicular to the direction of magnetic field, the magnetic flux through the loop is
Electromagnetic Induction and AC
- Two resistors of resistance, 100 Ω and 200 Ω are connected in parallel in an electrical circuit. The ratio of the thermal energy developed in 100 Ω to that in 200 Ω in a given time is
Current Electricity
- The ratio of the distances travelled by a freely falling body in the 1st, 2nd, 3rd and 4th second
Kinematics
- A body of mass 60 g experiences a gravitational force of 3.0 N, when placed at a particular point. The magnitude of the gravitational field intensity at that point is
Gravitation
- A light ray falls on a glass surface of refractive index √(3), at an angle 60°. The angle between the refracted and reflected rays would be
Ray Optics
- When light propagates through a material medium of relative permittivity ε_r and relative permeability mu_r, the velocity of light, v is given by (c - velocity of light in vacuum)
Electromagnetic Waves
- Two hollow conducting spheres of radii R_1 and R_2 (R_1 >> R_2) have equal charges. The potential would be
Electrostatics
- A copper wire of length 10 m and radius dfrac10^-2√(π) m has electrical resistance of 10 Ω. The current density in the wire for an electric field strength of 10 (V/m) is
Current Electricity
- Plane angle and solid angle have
Physical World and Measurement
- Let T_1 and T_2 be the energy of an electron in the first and second excited states of hydrogen atoms, respectively. According to the Bohr's model of an atom, the ratio T_1 : T_2 is
Atoms and Nuclei
- Match List-I with List-II List-I List-II (a) Gravitational constant (G) (i) [L^2T^-2] (b) Gravitational potential energy (ii) [M^-1L^3T^-2] (c) Gravitational potential (iii) [LT^-2] (d) Gravitational intensity (iv)…
Physical World and Measurement
- Two pendulums of length 121 cm and 100 cm start vibrating in phase. At some instant, the two are at their mean position in the same phase. The minimum number of vibrations of the shorter pendulum after which the two are…
Oscillations and Waves
- The area of a rectangular field (in m^2) of length 55.3 m and breadth 25 m after rounding off the value for correct significant digits is
Physical World and Measurement
- A ball is projected with a velocity, 10 ms^-1, at an angle of 60° with the vertical direction. Its speed at the highest point of its trajectory will be
Kinematics
- From Ampere's circuital law for a long straight wire of circular cross-section carrying a steady current, the variation of magnetic field in the inside and outside region of the wire is
Magnetism and Moving Charges
- A series LCR circuit with inductance 10 H, capacitance 10 muF, resistance 50 Ω is connected to an ac source of voltage, V = 200sin(100t) volt. If the resonant frequency of the LCR circuit is nu_0 and the frequency of…
Electromagnetic Induction and AC
- Given below are two statements : One is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): The stretching of a spring is determined by the shear modulus of the material of the spring.…
Properties of Matter
- A big circular coil of 1000 turns and average radius 10 m is rotating about its horizontal diameter at 2 rad s^-1. If the vertical component of earth's magnetic field at that place is 2 × 10^-5 T and electrical…
Electromagnetic Induction and AC
- The volume occupied by the molecules contained in 4.5 kg water at STP, if the intermolecular forces vanish away is
Kinetic Theory of Gases
- Two transparent media A and B are separated by a plane boundary. The speed of light in those media are 1.5 × 10^8 m/s and 2.0 × 10^8 m/s, respectively. The critical angle for a ray of light for these two media is
Ray Optics
- A nucleus of mass number 189 splits into two nuclei having mass number 125 and 64. The ratio of radius of two daughter nuclei respectively is
Atoms and Nuclei
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