v24

A

20 J

B

30 J

C

33.3 J

D

50 J

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SL ARORA-FLUIDS AT REST-Problem for self practice
  1. v24

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  4. The force on a Phonograph needle is 1.2 N. the point has a circular cr...

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  5. A cylinderical vessel contaning liquid is closed by a smooth piston of...

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  6. The cross-section of two piston in hydraulic press are 2cm^(2) "and" 1...

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  7. The average mass that must be lifted by a hydraulic press is 80 "kg".I...

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  11. A column of water 40 cm height supports a 30 cm column of an unknown l...

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  12. If the water pressure gauge shows the pressure at ground floor to be 2...

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  13. A cylinderical jar of cross-sectional area of 50 cm^(2) is filled with...

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  14. Water is filled in a flask upto a height of 20cm. The bottom of the fl...

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  15. The density of asir ner earth's surface is 1.3kgm^-3 and the atmospher...

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  16. A vertical U-tube of uniform inner cross-section contains mercury in ...

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  17. Two liquids of specific gravity 1.2 "and" 0.84 are poured into the l...

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  18. The area of cross-section of the wider tube shown in fig., is 800cm^(2...

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  19. A barometer kept in an elevator accelerating upwards reads 76 cm of Hg...

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  20. How much will a body of 70 N weight in water if it displaces 20 ml of...

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  21. A solid weighs 6 kg in air. If its density is 2000 "kg" m^(3) what wil...

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