Q.Luminous flux is

  • AThe light energy radiated by sun
  • BThe part of light energy, radiated by sun, which is received on the earth
  • CThe rate of energy radiation in the form of light waves
  • DNone of the above
Correct Answer : (C)

The rate of energy radiation in the form of light waves

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Luminous flux is The rate of energy radiation in the form of light waves.

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