You have a semicircular disk of glass with an index of refraction of n = 1.45. (

Question

You have a semicircular disk of glass with an index of refraction of n = 1.45. (Figure 1)

Part A Find the incident angle ? for which the beam of light in the figure will hit the indicated point on the screen. You have a semicircular disk of glass with an index of refraction of n = 1.45. (Figure 1)

You have a semicircular disk of glass with an index of refraction of n = 1.45. (Figure 1)

You have a semicircular disk of glass with an index of refraction of n = 1.45. (Figure 1)

Part A Find the incident angle ? for which the beam of light in the figure will hit the indicated point on the screen.

Explanation / Answer

n/1 = sin i / sin r

1.45 = sin(theta)/ sin r

sin(theta) = 1.45*sin(r)

from figure we need to find r

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