2.02 Sound

2.02 Sound

Multiple Choice

Sound is caused by?

• force

• vibrations

• instruments

• medium

Open Ended

What is the difference between Mechanical Wave and Electromagnetic wave?

Multiple Choice

A wave that can only travel through matter is called:

• electromagnetic waves

• mechanical waves

Multiple Choice

What type of waves are these?

• Transverse waves

• Longitudinal waves

Multiple Choice

What kind of wave is pictured below?

• longitudinal wave

• transverse wave
• sound wave
• mechanical wave

Open Ended

How is Frequency different from Amplitude?

Multiple Choice

Which wave has a greater frequency?

• A

• B

Multiple Choice

If someone has a very loud voice they have a high amplitude

• True

• False

Multiple Choice

If someone has a very deep voice would have

• Low Frequency

• High Frequency

• Low Amplitude

• High Amplitude

Multiple Choice

When the frequency of a wave increases, what happens to the wavelength?

• The wavelength is not directly affected by the frequency of a wave.

• The wavelength increases.

• The wavelength decreases.

• More specific information is needed to form a conclusion about the wavelength.

Multiple Choice

What is the Doppler Effect?

• Change in frequency due to a motion of the wave source to an observer

• High frequency waves

• Change in amplitude due to movement of the source

Multiple Choice

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

Multiple Choice

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.

Multiple Choice

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

• Observer A

• Observer B

• There's no difference

Multiple Choice

What medium does sound travel through slowest?

• gas
• solid
• liquid
• trees

Multiple Choice

Through which medium is it impossible to transmit sound waves?

• space

• rock

• air

• water

Multiple Choice

Which wave in the diagram has the greatest wavelength?

• 1
• 2
• 3
• 4

Multiple Choice

What kind of wave is pictured?

• Transverse
• Longitudinal
• surface
• none of the above

Multiple Choice

The pitch of a sound (how high or low pitched it is)

• Frequency

• Amplitude

• Wavelength

Multiple Choice

In this clip, the sound of the jet illustrates the doppler effect AS OBSERVED BY

• The man on the ground

• The pilot in the jet

• Both the man on the ground and the pilot in the jet

Multiple Choice

A wave that requires a medium through which to travel is called _________.

• mechanical wave

• electromagnetic wave

Multiple Choice

When a change in a moving object's wavelength is captured on film, it's an example of the

• Big Bang.

• Butterfly Effect

• Doppler Effect.

• Jet effect

Multiple Choice

Cupcake girl hears the TV

• at a higher pitch

• at a lower pitch

• at an alternately higher and lower pitch

• at the same she would if she were sitting still