Question

A Coin is kept in water glass
appear at a depth of 3cm.
If the refractive Index of water
1.33, find the real depth
at which coin is placed.

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Answer 1

Answer:

4 Cm . by definition RI = Distance Rare/ Distance dense ,

so 1.33 = real depth/ apparent depth in water

real depth= 1.33x 3 = 4 cm

Answer 2

Answer:

SIMPLY, IN THIS SUM..

YOU HAVE TO APPLY...

Refractive index=Real depth/ Apparent depth

By using it.... you will get the ans...

:: Real depth= 1.33×3 = 3.99 cm