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A ray is parallel to principal axis and at a distance h from principal axis as shown in each situation of list-I. The focal length of mirror or lens in each situation of list-I is f (h << f). Match each situation in list-I with the magnitude of deviation of incident ray produced in list-II.
List 1 List 2
A
P $180^{o} - \frac{h}{f}$
B

Q $180^{o} - \frac{2 h}{f}$
C
Surrounding medium is air R $\frac{h}{f}$
D
Surrounding medium is air S $\frac{2 h}{f}$
T $\frac{3 h}{f}$

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A – S, B – S, C – P, D – R

A – P, B – P, C – R, D – R

A – P, B – R, C – S, D – Q

A – P, B – R, C – R, D – P

answer is B.

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Detailed Solution

$\tan α = \frac{h}{f} .$ Because $h < < f, α = \frac{h}{f}$
For mirrors Deviations is $180^{o} - \frac{h}{f}$
Question Image
And for lenses Deviations is

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