NEET 2023 Physics question on Dual Nature of Radiation
The work functions of Caesium (Cs), Potassium (K) and Sodium (Na) are 2.14 eV, 2.30 eV and 2.75 eV respectively. If incident electromagnetic radiation has an incident energy of 2.20 eV, which of these photosensitive surfaces may emit photoelectrons?
A.
Cs only
B.
Both Na and K
C.
K only
D.
Na only
Show answer
Correct option: A
[NEET 2023]
Practise Dual Nature of Radiation the way it is asked
A timed set of real NEET Dual Nature of Radiation questions, graded as the exam grades. No sign-up.