A coin is dropped at refractive index of 4/3. The real depth
of coin is 28cm. The coin would be apparently appear to be
at the depth of

1 80 cm

2 25 cm

3 20 cm

4 21 cm



A coin is dropped at refractive index of 4/3. The real depth of coin is 28cm. The coin would be app..

Answer / guest

(4) 21 cm

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