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A U-tube of base length l filled with th...

A `U`-tube of base length `l` filled with the same volume of two liquids of densities `rho` and `2rho` is moving with an acceleration `'a'` on the horizontal plane. If the height difference between the two surfaces (open to atmosphere) becomes zero, then the height `h` is given by

A

`(a)/(2g)l`

B

`(3a)/(2g)l`

C

`(a)/(g)l`

D

`(2a)/(3g)l`

Text Solution

Verified by Experts

The correct Answer is:
B
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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 piece of cork starts from rest at the bottom of a lake and floats up...

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  10. A sealed tank containing a liquid of density rho moves with horizontal...

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  11. The U-tube shown has uniform cross-section A liquid is filled in the t...

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  12. Water coming out of the mouth of a tap and falling vertically in strea...

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  13. There are two identical small holes on the opposite sides of a tank co...

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  14. A U-tube of uniform cross section (see figure) is partially filled wit...

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  15. A homogeneous solid cylinder of length L(LltH/2), cross-sectional area...

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  16. A mercury manometer is connected as shown in the figure. The differenc...

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  17. An open pan P filled with water of density (rhow) is placed on a verti...

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  18. A small ball is left in a viscous liquid form very much height correct...

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  19. A cubical block of side a and density rho slides over a fixed inclined...

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  20. A space 2.5cm wide between two large plane surfaces is filled with oil...

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