Velocity of Light is Maximum in

  • Diamond
  • water
  • glass
  • vacuum
Monis Rasool Professor Asked on 10th May 2015 in Science.
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    The velocity of light is maximum in vacuum.

    It only appears to slow down because there is a delay for a photon to re-emit after being absorbed by a particle in a medium. There is no particles for the photons to interact with so it doesn’t get absorbed by any particles and appears to travel at the maximum speed in a vacuum. The speed of light is always the same in all medium.

    Anurag Mishra Professor Answered on 10th May 2015.
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