The index of refraction for red light in water is 1.331 and that for blue light

Question

The index of refraction for red light in water is 1.331 and that for blue light is 1.340. A ray of white light enters the water at an angle of incidence of 53.2

The index of refraction for red light in water is 1.331 and that for blue light is 1.340. A ray of white light enters the water at an angle of incidence of 53.2 degree . What is the underwater angle of refraction for the red component of the light? What is the underwater angle of refraction for the blue component of the light? (Give your answer to three significant figures.)

Explanation / Answer

n1 sin theta1 = n2 sin theta2

sin theta2 = 1 * sin(53.2) / 1.331

theta2 = 36.984 deg

n1 sin theta1 = n2 sin theta2

sin theta2 = 1 * sin(53.2) / 1.340

theta2 = 36.695 deg

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