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Byju's Answer

Standard XII

Physics

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A ball of hea...

Question

A ball of heat capacity $10 c a l^{o} C^{- 1}$ is heated to a certain temperature and then transferred into a vessel containing water and having a total water equivalent of 200 g. The temperature of water and vessel rises from $10^{o} C t o 40^{o} C$ . Then find the initial temperature of the ball.

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Solution

$H e a t l o s t = H e a t g a i n e d$
$10 (θ - 40) = 200 (40 - 10)$
$θ - 40 = 800 - 200 = 600$
$θ = 640^{o} C$

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