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NEET 2020

NEET 2020 Physics question on Thermodynamics

The quantities of heat required to raise the temperature of two solid copper spheres of radii r1r_1 and r2r_2 (r1=1.5 r2r_1 = 1.5\, r_2) through 1 K are in the ratio :
  1. A.
    94\dfrac{9}{4}
  2. B.
    32\dfrac{3}{2}
  3. C.
    53\dfrac{5}{3}
  4. D.
    278\dfrac{27}{8}
Show answer

Correct option: D

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