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Byju's Answer

Standard VIII

Physics

Buoyant Force

A solid coppe...

Question

A solid copper cube and sphere both of same mass and emissivity are heated to same initial temperature and kept under identical conditions. What is the ratio of their initial rate of fall of temperature.

{(\frac{3}{2 π})}^{\frac{3}{2}}

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\frac{4 π}{3} {(\frac{3}{2 π})}^{\frac{2}{3}}

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{(\frac{6}{π})}^{\frac{1}{3}}

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\frac{3}{2 π} {(\frac{4}{3} π)}^{\frac{1}{3}}

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A solid copper cube and sphere, both of same mass & emissivity are heated to same initial temperature and kept under identical conditions. What is the ratio of their initial rate of fall of temperature?

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