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Questions  

A metal plate of area 1.2 m2 increases its area by 2.4 × 10-4 m2 when it is heated from 0°C to 100°C. The coefficient of cubical expansion of the metal expressed in per °C is

a
2 × 10-6
b
4 × 10-6
c
6 × 10-6
d
3 × 10-6

detailed solution

Correct option is D

β=A2−A1A1t2−t1, γ=32β

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Similar Questions

A vessel having coefficient of cubical expansion γg contains liquid Of coefficient of real expansion rR up to certain level. When Vessel
Is heated, match column I and column II.
 

 Column - I Column - II
aγg<γRpliquid level rises continuously from beginning
bγg=γRqliquid level falls continuously from beginning
cγg>γRrliquid level remains same 
dγg=0sliquid level first falls and then rises 
 
 abcd
1srqp
2srpq
3qrsp
4rqps


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