First slide

Ray optics

Question

A fish at a depth of 12 cm in water is viewed by an observer on the bank of a lake. Through what height is the image of fish raised ?
( $μ$ = 4 / 3)

Easy

A

$9 c m$
B

12 cm
C

3 cm
D

3.8 cm

Solution

$S h i f t = t (1 - \frac{1}{μ}) = 12 (1 - \frac{3}{4}) = 3 c m$

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