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Light year is a unit of

  • Time
  • Light
  • Distance
  • Intensity of light
Similar Questions :

1. What is refractive index ?

  • it is defined as the ratio of speed of light in the medium to the speed of light in vacuum.
  • it is defined as the ratio of speed of light in vacuum to the speed of light in the medium .
  • it is defined as the product of speed of light in medium and in vacuum.
  • None of above

2. The nuclear reaction in which a heavy nucleus splits into two nuclei of nearly equal mass is called

  • Nuclear fusion
  • Nuclear fission
  • Nuclear reaction
  • Fast breeding

3. The force which opposes the relative motion between different layers of liquid or gases is called

  • Critical Velocity
  • Streamline Flow
  • Terminal Velocity
  • Viscous Force

4. All planets move around the sun in elliptical orbits, with the sun being at rest at one focus of the orbit.

  • True
  • False

5. Name of the instrument to measure atomspheric pressure ?

  • Barometer
  • Barograph
  • Bolometer
  • Callipers
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