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Two hail stones with radii in the ratio ...

Two hail stones with radii in the ratio of `1 : 4` fall from a great height through the atmosphere. Then the ratio of their terminal velocity is

A

`1:2`

B

`1:12`

C

`1:16`

D

`1:8`

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CHETANA PUBLICATION-MECHANICAL PROPERTIES OF FLUIDS-Exercise
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  2. The energy stored in a soap bubble of diameter 6 cm and T = 0.04 N//m ...

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  3. Two hail stones with radii in the ratio of 1 : 4 fall from a great hei...

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  4. In Bernoulli's theorem, which of the following is conserved?

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  5. If Reynold's number for given ideal fluid flowing in the tube is 750, ...

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  6. If pressure at half the depth of a lake is equal to 2/3 pressure at th...

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  7. A barometer kept in an elevator accelerating upward reads 76 cm. The a...

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  8. There is a hole in the bottom of a tank having water. If total pressur...

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  9. Water falls from a tap, down the streamline

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  10. The working of an atomizer depends upon

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  11. By sucking through a straw, a student can reduce the pressure in his l...

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  12. The relative velocity between two layers of fluid, separated by 0.4 mm...

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  13. Pascal's law is applied in which of the following cases?

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  14. Select and write the correct answer:- The energy stored in a soap bubb...

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  15. Select and write the correct answer:- Two capillary tubes of radii 0.1...

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  16. The dimensions of surface tension are

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  17. Water falls from a tap, down the streamline

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  18. State and explain Pascal 's law.

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  19. What is an incompressible fluid ?

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  20. How much amount of work is done in forming a soap bubble of radius r?

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