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A rectangular vessel when full of water ...

A rectangular vessel when full of water takes 10 minutes to be emptied through an orifice in its bottom. How much time will it take to be emptied when half filled with water

A

9 min

B

7 min

C

5 min

D

3 min

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SL ARORA-Mechanical Properties of fluids-Exercise
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  2. Water stands at a depth H in a tank whose side walls are vertical. A h...

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  3. A rectangular vessel when full of water takes 10 minutes to be emptied...

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  4. The unit of surface tension in SI system is

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  5. The water droplets in free fall are spherical due to

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  6. A square wire frame of L is dipped in a liquid, on taking out a membra...

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  7. Calculate the force required to separate the glass plates of area 10^(...

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  8. A wire of length L metres, made of a material of specific gravity 8 is...

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  9. One large soap bubble of diameter D breaksinto 27 bubbles having surfa...

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  10. A mercury drop of radius 1 cm is broken into 10^6 droplets of equal si...

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  11. Two drops of equal radius coalesce to form a bigger drop. What is rati...

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  12. 8 mercury drops coalesce to form one mercury drop, the energy changes ...

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  13. If a mercury drop is divided into 8 equal parts, its total energy,

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  14. The excess pressure inside a soap bubble of radius 4 cm is 30 "dyne"//...

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  15. Pressure inside two soap bubble are 1.02 and 1.03 atm . Then ratio of ...

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  16. If a liquid does not wet glass, its angle of contact is

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  17. If a liquid does not rise or fall in a capillary tube , then its angle...

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  18. For different capillaries of radiusr,the condition of liquid rise (h) ...

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  19. In a capillary tube experiment, a vertical 30 cm long capillary tube i...

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  20. Given that the surface tension of water is 75 dyne/cm, its density 100...

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