The speed of light in a medium is three times less than it's speed in the vacuum. Find the critical angle when light travels from this medium into the glass.
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Answer:
the speed in vaccum is =v
speed of light in medium=v/3
the critical angle =sin^-1(u2/u1)......1()
use formula
u2/u1=v1/v2
then u2/u1=v/3v=1/3
the put in formula 1()
then sin(ic)=1/3
hope so helpful
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Answer:
Explanation:
What is the speed of light in a vacuum what would happen to this speed as it enters a different medium?
Light always travels at the same speed through empty space. That speed, represented by the letter c, is about 300 million meters per second. However, when light travels through a medium, it travels more slowly. If light passes from one medium to another at an angle other than 90 °, the light changes speed and bends
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