Calculate the speed of light in the medium for which critical angle is 45°.
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2
Answer:
it is the acute angle which is 45° was the right answer
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1
Answer:
n= 1/sinC = 1 / sin45° = √2
Therefore speed of light in vaccum
= speed of light in air/n
= 3×10^8/1.414
= 2.121×10^8 m/s
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