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A frame made of metallic wire enclosing ...

A frame made of metallic wire enclosing a surface area A is covered with a soap film. If the area of the frame of metallic wire is reduced by 25%, the energy of the soap film will be changed by

A

1

B

0.75

C

0.5

D

0.25

Text Solution

Verified by Experts

The correct Answer is:
C
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