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General Knowledge :: Physics

  1. Why is it difficult to breathe at higher altitudes?

  2. A.

     Due to low air pressure

    B.

     Due to low temperature

    C.

     Due to ozone

    D.

     Due to high humidity


  3. The Hydraulic Break works on the principle of ________ .

  4. A.

     Pascal's Law

    B.

     Boyle's law

    C.

     Coulomb's law

    D.

     Bernouli's law


  5. Hydraulic brakes work on the principle of

  6. A.

     Thomson's law

    B.

     Newton's law

    C.

     Bernoulli's theorem

    D.

     Pascal's law


  7. What principle/law explains the working of the hydraulic brakes in automobiles ?

  8. A.

     Bernoulli's law

    B.

     Posieulle's principle

    C.

     Pascal's law

    D.

     Archimedes' principle


  9. Air moves from the region where the air ________

  10. A.

     Humidity is high to the region where the humidity is low

    B.

     Pressure is low to the region where the pressure is high

    C.

     Pressure is high to the region where the pressure is low

    D.

     Humidity is low to the region where the humidity is high


  11. The hydraulic brakes used in automobiles is a direct application of :

  12. A.

     Archimedes' principle

    B.

     Toricellian law

    C.

     Bernoulli's theorem

    D.

     Pascal's law


  13. If we want to calculate the pressure of a liquid at the bottom of a vessel, the quantity which is not required to determine it, is

  14. A.

     Height of the liquid column

    B.

     Surface area of the bottom of the vessel

    C.

     Density of the liquid

    D.

     Acceleration due to gravity at the bottom of the vessel


  15. For which of the following game, players must have the knowledge of Pascal's law?

  16. A.

     Climbing

    B.

     Paragliding

    C.

     Rafting

    D.

     Scuba diving


  17. Air pressure is usually highest when the air is

  18. A.

     Warm and moist

    B.

     Cool and dry

    C.

     Warm and dry

    D.

     Cool and moist


  19. Which process allows water to enter the atmosphere?

  20. A.

     Transpiration

    B.

     Respiration

    C.

     Condensation

    D.

     Evaporation