Question

3. Solve Numerical examples
j. A monochromatic ray of light strike the
water (n = 4/3) surface in a cylindrical
vessel at angle of incidence 53º. Depth of
water is 36 cm. After striking the water
surface, how long will the light take to
reach the bottom of the vessel? [Angles
of the most popular Pythagorean triangle
of sides in the ratio 3:4;5 are nearly 370,
53° and 90°]
[Ans: 0.2 us]
Estimate then​

Answer 1

Answer:

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