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There are two thin films A of liquid and...

There are two thin films A of liquid and B of polythene, identical in size they are being pulled with same maximum weight W. if the breadth of the films is increased from b to 2 b then the corresponding weights will be respectively

A

W,W

B

`(W)/(2),(W)/(2)`

C

`(W)/(2),W`

D

`W,(W)/(2)`

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The correct Answer is:
D
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ALLEN-ELASTICITY, SURFACE TENSION AND FLUID MECHANICS-Exercise 2 (One or more than one correct answer)
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  9. A solid uniform ball having volume V and density rho floats at the int...

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  11. Three blocks, labeled A, B and C are floating in water as shown in the...

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  14. A cylindrical container of radius 'R' and height 'h' is completely fil...

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  15. A small uniform tube is bent into a circle of radius r whose plane is ...

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  16. A U-tube of base length l filled with the same volume of two liquids o...

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  17. A narrow tube completely filled with a liquid is lying on a series of ...

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  18. A non-uniform rod of mass m, length l and radius r is having its centr...

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