20000+ Important MCQs for AIR FORCE

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Learn AIR FORCE MCQs with answers [Page 3 of Department 75]

R

Ram Sharma • 193.88K Points
Coach Science

21) Conduction band electrons have more mobility than holes as they

  • (A) are lighter
  • (B) need less energy to move them
  • (C) have negative charge
  • (D) experience collision less frequently
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Correct Answer - Option (D)

No Explanation found. Add Explanation and get +2 points.

R

Ram Sharma • 193.88K Points
Coach Physics

22) Which among the given statement is inright?

  • (A) The mass of a body is not the same as its weight
  • (B) Mass is a measure of quantity of matter whereas weight is a force
  • (C) In the MKS system, mass is expressed in kilogram and weight in newton
  • (D) Mass of a body varies from place to place but its weight remains constant
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Correct Answer - Option (D)

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R

Ram Sharma • 193.88K Points
Coach Science

23) The average kinetic energy of the molecules of an ideal gas is directly proportional to

  • (A) Mass of Molecules
  • (B) Velocity of Molecules
  • (C) Temperature of environment
  • (D) Absolute temperature of the gas
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Correct Answer - Option (D)

No Explanation found. Add Explanation and get +2 points.

R

Ram Sharma • 193.88K Points
Coach Science

24) A system exhibiting S.H.M. must possess

  • (A) Elasticity, inertia & an external force
  • (B) Elasticity in addition inertia
  • (C) Elasticity only
  • (D) Inertia only
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Correct Answer - Option (B)

No Explanation found. Add Explanation and get +2 points.

R

Ram Sharma • 193.88K Points
Coach Physics

27) A particle is moving in a uniform circular motion with constant speed v along a circle of radius r. The acceleration-of the particle is

  • (A) 0
  • (B) V r 2
  • (C) V r
  • (D) V 2 r
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Correct Answer - Option (D)

No Explanation found. Add Explanation and get +2 points.

R

Ram Sharma • 193.88K Points
Coach Physics

29) An aircraft can perform aerobatic manoeuvres in a vertical loop as of

  • (A) weight
  • (B) centripetal force
  • (C) gravity
  • (D) centrifugal force
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Correct Answer - Option (C)

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