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Define one pascal (Pa), the S.I. unit of...

Define one pascal (Pa), the S.I. unit of pressure.

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ICSE-PRESSURE IN FLUIDS AND ATMOSPHERIC PRESSURE-Exercise-4(A)
  1. What is meant by pressure ? State its S.I. unit.

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  2. (a) What physical quantity is measured in bar ? (b) How is the unit ...

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  3. Define one pascal (Pa), the S.I. unit of pressure.

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  4. State whether thrust is a scalar or vector ?

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  5. State whether pressure is a scalar or vector ?

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  6. Differentiate between thrust and pressure .

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  7. How does the pressure exerted by a thrust depend on the area of surfac...

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  8. Why is the tip of an allpin made sharp ?

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  9. Explain the following : (a) It is easier to cut with a sharp knife t...

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  10. What is a fluid ?

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  11. What do you mean by the term fluid pressure ?

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  12. How does the pressure exerted by a solid and a fluid differ ?

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  13. Describe a simple experiment to demonstrate that a liquid enclosed in ...

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  14. State three factors on which the pressure at a point in a liquid depen...

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  15. Deduce an expression for the pressure at depth inside a liquid.

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  16. Deduce an expression for the pressure at depth inside a liquid.

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  17. How does the pressure at a certain depth in water differ from that of...

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  18. Pressure at free surface of a water lake is P(1), while at a point at ...

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  19. Explain why a gas bubble released at the bottom of a lake grows in siz...

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  20. A dam has broader walls at the bottom than at the top. Explain.

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