Question

When a metal sphere is suspended at the end
of a metal wire its extension is 0.4mm. If
another metal sphere of the same material with
its radius half as the previous is suspended
then extension would be
C
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Answer 1

Answer:

When a metal sphere is suspended at the end of a metal wire, its extension is 0.4 mm. If another metal sphere of the same material with its radius is half of the previous, is suspended then extension would be. l2=l18=0.48=0.05 mm.

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