Multiple Choice
A convex refracting surface has a radius of 12 cm.Light is incident in air (n = 1) and refracted into a medium with an index of refraction of 2.To obtain light with rays parallel to the central axis after refraction a point source should be placed on the axis:
A) 3 cm from the surface
B) 6 cm from the surface
C) 12 cm from the surface
D) 18 cm from the surface
E) 24 cm from the surface
Correct Answer:
Verified
Correct Answer:
Verified
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