Heat and Thermal ExpansionMedium

Question

If I is the moment of inertia of a solid body having a -coefficient of linear expansion then the change in I corresponding to a small change in temperature ᐃT is

Options

A.α I ᐃT
B. α I ᐃT
C.2 α I ᐃT
D.3 α I ᐃT

Solution

I = MR2
I′ = MR2(1 + 2αᐃT)
ᐃI = I 2α ᐃT 

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