Light is incident on a piece of glass in air at an angle of 37.0degree from the

Question

Light is incident on a piece of glass in air at an angle of 37.0degree from the normal. If the in of refraction of the glass is 1.50, the angle that the refracted ray makes with the normal approximately 8.6degree 21.8degree 23.6degree 41.8degree The critical angle for a beam of light passing from water into air is 48.8degree. Thus mean that all light rays with an angle of incidence greater than this angle will be absorbed totally reflected partially reflected and partially transmitted totally transmitted 

Explanation / Answer

refractive index of air n1 = 1, n2 = 1.5

from snells law n1sin(theta1) = n2 sin(theta2)

1*sin(37) =1.5*sin(theta2)

theta2 = 23.6 degrees

correct option is (c)

correct option is (b)

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