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A balloon filled with hydrogen has a vol...

A balloon filled with hydrogen has a volume of 1,000 litres and its mass is 1 kg. What would be the volume of the block of a very light material, which it can just lift? One litre of the material has mass of 91.3 g. Given that density of air=`1.3g litre^-1`

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MODERN PUBLICATION-Pressure-Exercise
  1. A balloon filled with hydrogen has a volume of 1,000 litres and its ma...

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  2. Define thrust and pressure. Give their units. Show that when a liquid ...

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  3. Define thrust and pressure. Give their units. Show that when a liquid ...

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  4. state and explain Pascal's law

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  5. State Pascal's law as to the transmission of pressure in a liquid. How...

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  6. State Pascal's law and write a short note on hydraulic lift.

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  7. Discuss Hydraulic lift.

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  8. What is the principle of hydraulic brakes ? Explain its working with a...

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  9. Discuss Hydraulic lift.

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  10. Explain the construction and working of a hydraulic brake.

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  11. What is the principle of hydraulic brakes ? Explain its working with a...

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  12. Derive an expression for the pressure exerted by a liquid column.

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  13. What is the unit of torr?

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  14. Discuss the variation in atmospheric pressure with altitude.

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  15. Derive an expression for the pressure exerted by a liquid column.

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  16. State Archimedes' principle.

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  17. State Archimedes' principle.

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  18. State Archimedes' principle.

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  19. What are laws of floatation?

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  20. Discuss two practical applications of Pascal's law.

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  21. Explain the working of the following along with the underlying princip...

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