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A brass rod has length 0.2m area of cros...

A brass rod has length 0.2m area of cross section `1.0cm^2` and Young's modulus `10^11Nm^(-2)` If it is compressed by 5kg. wt along its length then the change in its energy will be

A

An increase of `2.4 xx 10^(-5) J`

B

A decrease of `2.4 xx 10^(-5) J`

C

An increase of `2.4 xx 10^7 J`

D

A decrease of `2.4 xx 10^7 J`

Text Solution

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The correct Answer is:
A
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