Question

U. The coin is placed in a beaker containing water at a depth of 12 cm. Calculate the height through which the coin
appear to be raised. Given that the refractive index of water is
4
x
3
[Ans. 3 cm​

Answer 1

Answer:

3 cm

Step-by-step explanation:

lwde..tory lassan...

Answer 2

Answer:

Step-by-step explanation:

RI= real depth\  apparent depth

Substituting,   4 \3=12\ apparent depth

Therefore, apparent depth= 12×3\4=9

The height by which it appears to be raised is 12−9=3cm

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