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CBSE Class 10 Answered

urgent !!! can anyone help me out ??????
Asked by tathagatnawadia1234 | 24 Apr, 2009, 07:54: PM
Expert Answer

Sun is visible before and after actual sunrise and sunset which is  due to Total Internal reflection .This is termed as  Apparent sun rise and sunset .

When the fisherman looks at a fish in clear water, it appears to be raised due to refraction of light at the water air surface.So, if the fisherman aims at the head of the image of the fish , it is very likely that the spear may fall infront of the fish.Hence, he aim it at its tail.

Answered by | 30 Apr, 2009, 11:55: AM
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