Questions
If the length of a cylinder on heating increases by 2%, the area of its base will increase by
a
0.5%
b
2%
c
1%
d
4%
detailed solution
Correct option is D
∆AA = 2. ∆LL⇒ ∆AA = 2×2 = 4%Talk to our academic expert!
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A rotating solid metal sphere is heated by . If then percentage change in its moment of inertia is
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