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General Knowledge on Physics | GK Test on Physics Page 18
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Physics

General Knowledge on Physics

(Click on suggested Options to select the answer | Color Red means : Wrong & Green Means: Correct)

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171. Of the following properties of a wave, the one that is independent of the other is its
172. Superconductors are substances which
  • A. conduct electricity at low temperature
  • B. offer high resistance to the flow of current
  • C. offer no resistance to the flow of electricity
  • D. conduct electricity at high temperatures
  • Check Answer | Discussion
173. It is more difficult to walk on a sandy road than on a concrete road because
  • A. sand is soft and concreter is hard
  • B. the friction between sand and feet is less than that between concrete and feet
  • C. the friction between sand and feet is more than that between concrete and feet
  • D. the sand is grainy but concrete is smooth
  • Check Answer | Discussion
174. Moment of inertia is
175. Materials for rain-proof coats and tents owe their water-proof properties to
176. Out of the following pairs, choose the pair in which the physical quantities do not have identical dimension?
  • A. Pressure and Young's modules
  • B. Planck's constant and Angular momentum
  • C. Impulse and moment of force
  • D. Force and rate of change of linear momentum
  • Check Answer | Discussion
177. out of the following, which is not emitted by radioactive substance?

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