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CBSE Class 10 Answered

dout on the law of physics .ATTENTION
Asked by tathagatnawadia1234 | 24 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 | 01 May, 2009, 11:33: AM
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