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A piece of metal weight 45 g is air and ...

A piece of metal weight 45 g is air and 25 g in a liquid of density `1.5 xx 10^(3)kg-m^(-3)` Kept at `30^(@)`. When the temperature of the liquid is raised to `40^(@)C`, the metal piece weight 27g. The density of liquid at `40^(@)C` is `1.25 xx 10^(3) kg-m^(-3)`. The coefficient of linear expansion of metal is

A

`1.2 xx 10^(-5)`

B

`2.4 xx 10^(-5)`

C

`1.2 xx 10^(-6)`

D

`2.4 xx 10^(-6)`

Text Solution

Verified by Experts

The correct Answer is:
B
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