Math, asked by aryansmhs11, 5 months ago

please help me out..

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Answered by ghost728

Answer:

When rays of light travelling through the glass, strike the glass-air interface at an angle, greater than the critical angle of glass, they are totally reflected. ... When these reflected rays reach our eyes, then to eyes they appear to come from the crack, which in turns appears to be silvery.

I hope it helps.

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