☰ Everyday Science (General Science) - MCQs

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Q73.

An athlete runs before long jump to get advantage on-

  • A. Moment of force
  • B. Principle of moments
  • C. Inertia of motion
  • D. Fractional force
    ✍ Discuss    
Q74.

Negative feedback in amplifiers-

  • A. Decreases bandwidth and increase noise
  • B. Decreases bandwidth and decrease noise
  • C. Increases bandwidth and decreases noise
  • D. Increases bandwidth and increases noise
    ✍ Discuss    
Q75.

Fight recorder is technically called-

  • A. Black box
  • B. Dark box
  • C. Blind box
  • D. Altitude metre
    ✍ Discuss    
Q76.

Among the following which is always found in free state in nature?

  • A. Silver
  • B. Gold
  • C. Copper
  • D. Sodium
    ✍ Discuss    
Q77.

A powerful eye irritant present in smog is-

  • A. Carbon dioxide
  • B. Sulphur dioxide
  • C. Nitric oxide
  • D. Peroxyacetyl nitrate
    ✍ Discuss    
Q78.

Wood Spirit is-

  • A. Ethyl alcohol
  • B. Butyl alcohol
  • C. Methyl alcohol
  • D. Propyl alcohol
    ✍ Discuss    
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