dout on the law of physics .ATTENTION

Asked by tathagatnawadia1234 | 24th Apr, 2009, 08:10: PM

Expert Answer:

Please note that the relation refractive index = real depth/ apparent depth is true only if the object is viewed normally. In this case the light from the object to the eye passes through the surface at right angles.

In the derivation of this formula we have assumed that tan i = sin i which is true only for very small angles of incidence.

Answered by  | 1st May, 2009, 11:33: AM

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