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A lead sphere acquires a terminal veloci...

A lead sphere acquires a terminal velocity `upsilon` when falls in a vicous liquid. The terminal velocity attained by another lead sphere of radius three times in the same liquid will be _______

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SL ARORA-Mechanical Properties of fluids-Exercise
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  2. A 20 cm long capillary tube is dipped in water. The water rises up to ...

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  3. A lead sphere acquires a terminal velocity upsilon when falls in a vic...

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  4. Explain why (a) the blood pressure is humans is greater at the feet th...

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  5. Assertion : The blood pressure in humans is greater at the feet than...

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  6. We can use water instead of mercury in a barometer.

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  7. Does Archimede's principle hold in a vessel in free fall?

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  8. Explain why a soft plastic bag weighs the same when empty or when fil...

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  9. It is difficult to swim in sea water than in river water.

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  10. A man is sitting in a boat which is floating in a pond. If the man dri...

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  11. A block of ice in which a piece of stone is embedded is floating on wa...

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  12. A boat floating in a water tank is carrying a number of large stones. ...

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  13. Statement-1: A parachute descends slowly whereas a stone dropped from ...

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  14. The density of water is more than the density of air. Even then the cl...

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  15. A mercury barometer always reads less than actual pressure.

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  16. A large force is required to draw apart normally two glass plates encl...

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  17. Oil spreads on cold water but remains as drop on hot water.

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  18. Tow soap bubbles A and B are formed at the two open ends of a tube. Th...

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  19. It becomes easier to spray the water in which some soap is dissolved. ...

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  20. does angle of contact depends on the inclination of the solid surface ...

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