Question

The quantities of heat required to raise the temperature of two solid copper spheres of radii $r _1$ and $r_2$ $(r_1=1.5 r_2 )$ through $1 K$ are in the ratio

• A. $\frac{27}{8}$
• B. $\frac{9}{4}$
• C. $\frac{3}{2}$
• D. $\frac{5}{3}$

Answer 1

Answer: (A)

$\frac{27}{8}$

Answer 2

The correct option is (A) :$\frac{27}{8}$