A thin Plano-convex glass lens ( 
= 1 .5) has its plane surface silvered and R is the radius of curvature of curved part, then which of the following ray diagram is true for an object placed at O? (O is at a distance of 2R from the lens)
A
B
C
D
None of the above
Text Solution
Verified by ExpertsThe correct answer is:
B
For Refraction at first surface 
,
Therefore, rays strike the mirror normally. So, by principle of reversibility, O and I coincide.
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