Waves Final

Which of the following would affect the speed of a sound wave in water?

• high amplitude versus low amplitude

• saltwater versus freshwater

• high pitch versus low pitch

• high frequency versus low frequency

Tags

NGSS.HS-PS4-1

The faintest sound that a human ear can detect is called ____.

• threshold of hearing (TOH)

• 10 decibels

• eardrum frequency

• pitch

The pitch of a sound is related to the ___ of the sound wave.

• speed

• intensity

• frequency

• amplitude

Tags

NGSS.HS-PS4-1

A wave transports ___ from one location to another.

• intensity

• matter

• air

• energy

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

NGSS.HS-PS4-5

The Doppler shift involves a shift in the ____.

• loudness of a sound observed by a listener

• actual frequency produced by the source of the sound

• perceived intensity observed by a listener

• perceived pitch of a sound observed by a listener

Tags

NGSS.HS-PS4-1

A boy is blowing a whistle of frequency 200 Hz and walking toward a dog. The dog will perceive the frequency of the whistle as ____.

• lower than the actual frequency

• higher than the actual frequency

• the same as the actual frequency

• Dogs cannot perceive frequency

Tags

NGSS.HS-PS4-1

Which of the following types of waves can travel through a vacuum?

• sound

• light

• mechanical

• none of these

What is the frequency of a wave with a period of 0.2 seconds?

• 20 Hz

• 1 Hz

• 5 Hz

• 10 Hz

Tags

NGSS.HS-PS4-1

If a person yells (as opposed to whispering), then it will cause ___.

• air molecules to vibrate more frequently

• the sound wave to travel faster

• air molecules to vibrate with greater amplitude

• the sound wave to have a greater period

Tags

NGSS.MS-PS4-1

The speed of a sound wave depends upon the ___.

• frequency of the wave

• amplitude of the wave

• wavelength of the wave

• properties of the medium through which it moves

Tags

NGSS.HS-PS4-1