A piece of metal has a weight of 
in air and 
in a liquid of density 
at 
. When the temperature of the liquid is raised to 
the metal piece has a weight of 
. If the density of the liquid at 
is 
, then the coefficient of linear expansion of the metal is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Given weight of metal in air 
Density 
At temperature, 
Weight of metal in liquid 
At temperature, 
Weight of metal in liquid 
Density, 
The coefficient of linear expansion
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