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a
density and moment of inertia increases
b
density and moment of inertia decreses
c
density decreases and moment of inertia increases
d
density increases and moment of inertia decreases
answer is C.
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Detailed Solution
Density ρ = Mass / Volumewith rise in temperature volume increases,mass remains unchanged.Again , I = k .m.r2where K = constantm= massand r = Linear dimension with rise in temperature r increases