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Question

A water pond appears to be 2.7 in deep. If the refractive index of water is 4/3, find the actual depth of the pond.
  1. 2.7 m
  2. 0.9 m
  3. 3.6 m
  4. 1.8 m

A
3.6 m
B
2.7 m
C
0.9 m
D
1.8 m
Solution
Verified by Toppr

RI=real depthapparent depth

Substituting, 43=real depth2.7

Therefore, real depth=2.7×43=3.6

Real depth=3.6m

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