IIT JAM
Vijay Dalakoti Asked a Question
July 7, 2020 5:33 pmpts 30 pts
  • IIT JAM
  • Physics (PH)

Question on optics:

According to Special theory of relativity, speed of light is const irrespective of the frame of reference. Why is that light speed decreases when it passes thru a medium of ref index greater than air???
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  • Chandra dhawan Best Answer
    here that the postulate of speecial theory of relativity are applicable in free space ...and for medium velocity decrease by n. where n is refractive index of the medium.... best ...
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    Chandra dhawan
    see
  • Aritra Dey thankyou
    remember that the postulate of special theory of relativity is only applicable for speed of light in free space
    Likes(1) Reply(0)
  • Vaishali sharma thankyou
    here u have to remember that postulates of special theory of relativity are applicable in free space
    Likes(1) Reply(0)
  • Vaishali sharma
    in any medium velocity decrease by n
    Likes(1) Reply(0)
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