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An optical systen comprises in turn ,fro...

An optical systen comprises in turn ,from left to right: an observer ,a lens of focal length`+30cm`an object`20mm`high, and a convex mirror fo radius`80cm` .the object is between the lens and the mirror ,`20cm` from the lens and`50cm`from the mirror.The observe views the image formed first by reflection and then by refraction

in figure ,the position of the final image,measured from the mirror,in cm, is closest to

A

`90`

B

`138`

C

`114`

D

`126`

Text Solution

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The correct Answer is:
C
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