You have two prisms that are surrounded by air (n , > nw). Draw the ray diagram

Question

You have two prisms that are surrounded by air (n , > nw). Draw the ray diagram to verify, using Snelfs Law to show whether light at each interface bends towards or away from the normarl (Note these ideas as you use them for your justifications ) If you held an equilateral prism wrth the incident ray as shown in the diagram, is me ray refracted upwards or downwards relative to the incident ray? If you held an equllateral prism (all sides same length) so the pointy side was up is the ray refracted upwards or downwards relative to the incident ray?

Explanation / Answer

a) After refraction the light ray bends upward.

Beause when a light ray travels from rarer medium to denser medium it bends toward Normal.

b)

After refraction the light ray bends downward.

Beause when a light ray travels from rarer medium to denser medium it bends toward Normal.

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