A ray of light traveling through a flat piece of glass arrives at a boundary with air at an angle of 90∘ relative to the surface. What happens to the angle as the light ray moves into air?

It does not change because the ray is changing media on the normal line.

It decreases as the ray moves closer to the normal line.

It increases as the ray moves farther from the normal line.

It does not change because glass and air affect the ray the same.

A light ray encounters a new medium. Which of the following are correct statements? (Select 2)

If the new medium has the same index of refraction, the ray does not bend.

If the new medium has a larger index of refraction, the ray bends toward the normal.

If the new medium has a smaller index of refraction, the ray bends toward the normal.

If the new medium has a larger index of refraction, the ray bends away from the normal.

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Jeffrey Piggott 2 questions

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1A ray of light traveling through a flat piece of glass arrives at a boundary with air at an angle of 90∘ relative to the surface. What happens to the angle as the light ray moves into air?
1. AIt decreases as the ray moves closer to the normal line.
2. BIt increases as the ray moves farther from the normal line.
3. CIt does not change because the ray is changing media on the normal line.
4. DIt does not change because glass and air affect the ray the same.
2A light ray encounters a new medium. Which of the following are correct statements? (Select 2)
1. AIf the new medium has a smaller index of refraction, the ray bends toward the normal.
2. BIf the new medium has a larger index of refraction, the ray bends away from the normal.
3. CIf the new medium has the same index of refraction, the ray does not bend.
4. DIf the new medium has a larger index of refraction, the ray bends toward the normal.

Description: Quiz for IB / A Level Physics Converging Lenses self-directed learning.
Author: Jeffrey Piggott
Language: English
Views: 24
Tags: converging lens image igcse
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