PS: 7.3 Study Guide: Wave Interactions/Interference

PS: 7.3 Study Guide: Wave Interactions/Interference

9th Grade

17 Qs

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PS: 7.3 Study Guide: Wave Interactions/Interference

PS: 7.3 Study Guide: Wave Interactions/Interference

Assessment

Quiz

9th Grade

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Created by

Stacey ODell

Used 22+ times

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17 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An echo occurs because of wave

interference.

diffraction.

diffraction.

reflection.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a wave strikes a barrier at a 45° angle, what is the angle of reflection?

180°

120°

90°

45°

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Light is refracted when it

strikes a barrier it cannot pass through.

spreads around an obstacle such as a wall.

passes from air to water at an angle.

interferes with other waves.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when a wave passes around a barrier that is shorter than its wavelength?

The wave has a large angle of incidence.

The wave spreads out around the barrier.

The wave is refracted.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Constructive interference occurs when two waves pass through each other and the

crests of both waves cancel each other out.

crests of both waves have a smaller amplitude.

crests of one wave overlap crests of the other wave.

crests of one wave cancel out troughs of the other wave.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Reflected waves have the same speed as the original waves before they were reflected.

True

False

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diffraction occurs because waves travel at different speeds in different media.

True

False

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