The speed of light in glass is 2.0 × 108 m s−1. Does it violate the second postulate of special relativity?
Answers
Answer:
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Explanation:
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It does not violate the second postulate of special relativity.
Explanation:
As per the special relativity’s second postulate, the light’s speed in vacuum has c, which is the same value in all inertial frames.
In the glass, the speed of light is , which follows Snell’s law. It is to be noted that the postulate is not violated here conferring to which the light’s speed decreases by a factor in any refractive medium η so that (where the refractive index is denoted as η).
So, in this case, η is 1.5.