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The quantities of heat required to raise the temperature of two solid copper sphere of radii \( r_{1} \) and \( r_{2}\le…

Q1

The quantities of heat required to raise the temperature of two solid copper sphere of radii \( r_{1} \) and \( r_{2}\left(r_{1}=1.5 r_{2}\right) \) through \( 1 \mathrm{~K} \) are in the ratio :

[NEET 2020]

a

\( \frac{9}{4} \)

b

\( \frac{3}{2} \)

c

\( \frac{5}{3} \)

d

\( \frac{27}{8} \)

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