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A bi-convex lens is placed between a lig...

A bi-convex lens is placed between a light source and a concave mirror as shwon such that image of the light source coincides with itself. Then,

A

light, after being refracted, may fall normally on the mirror

B

light, after being refracted, may fall at the pole of the mirror

C

source and its image coincide for two positive of source

D

none of the above

Text Solution

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Normal incidence `rArr` normal reflection
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