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In an experiment to determine the specif...

In an experiment to determine the specific heat of a metal,a `0.20 kg` block of the metal at `150 .^(@) C` is dropped in a copper calorimeter (of water equivalent `0.025 kg`) containing `150 cm^3` of water at `27 .^(@) C`. The final temperature is `40.^(@) C`. The specific heat of the metal is.

A

`"0.1 cal g"^(-1).^(@)C^(-1)`

B

`"0.2 cal g"^(-1).^(@)C^(-1)`

C

`"0.3 cal g"^(-1).^(@)C^(-1)`

D

`"0.4 cal g"^(-1).^(@)C^(-1)`

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The correct Answer is:
A
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