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Questions  

A rotating solid metal sphere is heated by 100C. If  α=2×105/0C then percentage change in its moment of inertia is 
 

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By Expert Faculty of Sri Chaitanya
a
0.4%
b
0.2%
c
0.1%
d
0.8%

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detailed solution

Correct option is A

ΔII=2αΔt

ctaimg

Similar Questions

A metal rod has length of 1m at 20C. α of metal is 2×105/0C. The temperature at which its length will be decreased by 1mm is 
 

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