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Doppler Effect

Authored by Mark Torrechiva

Physics

11th Grade

Used 38+ times

Doppler Effect
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The pitch of a sound wave relates to the wave's _________________.

Amplitude

Frequency

Wavelength

Period

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the Doppler Effect?

A change in frequency due to the relative motion of a wave source and an observer

When a wave overlaps with another wave

When a wave bounces off of another object

When a wave bends due to traveling through a different medium

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An ambulance is driving towards you as you stand on the sidewalk. What happens to the pitch of the siren as it comes towards you?

It increases

It decreases

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

You are driving in a car and honk the horn at a person standing in the street. As you approach the person, what happens to the pitch of the horn according to you in the car?

It increases

It decreases

It stays the same because you are in the car moving with the sound.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

You are standing on the side of the road when a police car races past you with its siren on. After the police car passes you, what happens to the pitch of the siren?

It increases

It decreases

It turns red

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An astronomer looks at a star in the night sky. Based on his calculations the star's light is shifting towards the color blue. What does this mean about the star?

It's moving towards the astronomer

It's moving away from the astronomer

It's not moving at all

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Look at the picture. Who is experiencing a lower pitched sound?

Observer A

Observer B

There is no difference

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