Questions
A metal meter scale has two holes at the two ends. when the scale is heated the distance between the two holes
a
decreases
b
increases
c
doesnot change
d
may increase or decrease
detailed solution
Correct option is B
Due to thermal expansion , distance between the holes will increase.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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