Light is incident normally on Face 1 of a 30-60-90 glass prism as shown in the p

Question

Light is incident normally on Face 1 of a 30-60-90 glass

prism as shown in the picture (that depicts some, but not all

of the rays.) The prism has an index of refraction of 1.5 and

lies on water (index of refraction 1.35) as shown.

(a)

Determine the angle of refraction of the refracted ray (if any) on Face 2.

(b) Determine the angle of refraction of the refracted ray (if any) on Face 3.

(c) If instead of water you use a different liquid, what is the biggest value for its index of refraction

for which there%u2019s no refracted ray at Face 2.

Light is incident normally on Face 1 of a 30-60-90 glass prism as shown in the picture (that depicts some, but not all of the rays.) The prism has an index of refraction of 1.5 and lies on water (index of refraction 1.35) as shown. Determine the angle of refraction of the refracted ray (if any) on Face 3. If instead of water you use a different liquid, what is the biggest value for its index of refraction for which there%u2019s no refracted ray at Face 2.

Explanation / Answer

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