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Which instrument is used to measure curvature of spherical objects ?

  • Spectroscope
  • Spherometer
  • Spectrometer
  • Sextant
Similar Questions :

1. K. Macmillan invented

  • Bicycle
  • Barometer
  • Calculating Machine
  • Centigrade Scale

2. Which law is also called law of inertia ?

  • Newton first law
  • Newton second law
  • Newton third law
  • All of above

3. Harry Brearley has invented

  • Electric iron
  • Electromagent
  • Stainless Steel
  • Gramophone

4. Siphon will fail to work if

  • both its limbs are of unequal length
  • the temperature of the liquids in the two vessels are the same
  • the level of the liquid in the two vessels are at the same height
  • the densities of the liquid in the two vessels are equal

5. What is escape velocity ?

  • Escape velocity is the maximum velocity with which a body should be projected from the surface of earth so it do not go beyond gravitational field of earth.
  • Escape velocity is the minimum velocity with which a body should be projected from the surface of earth so it do not go beyond gravitational field of earth.
  • Escape velocity is the minimum velocity with which a body should be projected from the surface of earth so as it goes out of gravitational field of earth and never return to earth.
  • Escape velocity is the maximum velocity with which a body should be projected from the surface of earth so as it goes out of gravitational field of earth and never return to earth.
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