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23 September, 23:57

What is the angle of refraction when a ray of light passes from ethanol to air if the incident angle is 34°? The refractive index of ethanol is 1.36 and of air is 1.00.

A. 21

B. 34

C. 49

D. 66

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Answers (1)
  1. 24 September, 00:10
    0
    This problem can be solved using Snell's law: " n1 * sin theta1 = n2 * sin theta2"

    Given:

    n1 = 1.36

    theta1 = 34 degrees

    n2 = 1.00

    theta2 = ?

    1.36 * sin (34) = 1 * sin (theta2)

    angle of refraction = 49.51 degrees

    Among the choices, the correct answer is C.
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