A ray of light travels in the way as shown in the figure. After passing through water, the ray grazes along the water air surface. The value of mu_g interms of I is

A ray of light travels in the way as shown in the figure. After passin

1.	A ray of light travels in the way as shown in the figure. After passing through water, the ray grazes along the water air surface. The value of mu_g interms of I is
Answer» `1/(SIN i)` `3/(4 sin i)` `4/(3 sin i)` `sin i` ANSWER :A