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Rules of Ray Diagram for Representation of Images Formed

As shown in t...

Question

As shown in the figure, If after refraction the rays appear to be coming from point B then what will be point “B”?

A

It is at infinity

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B

It is between infinity and 2F1

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C

It is F1

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D

It is between F1 and optical centre

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Solution

The correct option is C It is F1
Concave lens is a diverging lens and rays after refraction diverges. If parallel rays are incident at concave lens then after refraction they diverge and appear to be coming from F1.

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