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Title: ON OPTICS QUESTION
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Posted On: Aug 23, 2010 07:37 AM
 

convergence of concave mirror can be decreases by dipping in:-

a.water     b.oil       c.both(a)and (b)         d.none of these

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Aug 26, 2010 03:13 AM

since REFRACTION is not involved in the operation of a mirror and in addition, the laws of REFLECTION are independent of the medium, the answer is (d)

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