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A light open rigid wire frame floats on ...

A light open rigid wire frame floats on the surface of water as shown in figure. What force will act on the frame , immediately after some soap solution is droipped inside it ? [`alpha_1 and alpha_2` are the surface tension tensions of water and soap respectively (`alpha_1gtalpha_2`)]

A

zero

B

(`alpha_1-alpha_2)l`

C

`(alpha_1+alpha_2)(4a+2b-l)`

D

`alpha_1alpha_2)(4a+2b-l)`

Text Solution

Verified by Experts

The correct Answer is:
B
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