Loudness and Pitch of Sound

The following animal high pitch sound

• cow

• mouse

If a sound has a high amplitude then it also has a ____________!!!

• fast echo
• slow pitch
• high volume
• low volume

Tags

NGSS.MS-PS4-1

Which of the following sound wave produces the highest pitch of sound?

• 
• 
• 
• 

Diagram shows 3 types of sound waves generated from speaker. Which of the following statements is true?

• P has a higher pitch than Q

• Q has a higher pitch than R

• R has the highest pitch

• P, Q and R have the same pitch

Tags

NGSS.MS-PS4-1

What will happen when the sound of siren of the ambulance comes closer to the observer?

• the pitch of sound increases

• the loudness of the sound increases

• The loudness of the sound decreases

• The pitch of the sound decreases

Which waveform has the lowest frequency?

• (a)

• (b)

• (c)

• (d)

• (e)

Tags

NGSS.MS-PS4-1

Frequency is measured in the unit of

• Ampere (A)

• Hertz (Hz)

• Mole (mol)

• Meter (m)

Tags

NGSS.HS-PS4-1

What best describes the doppler effect?

• An apparent change in frequency of a wave due to the relative motion between a wave source and an observer

• An apparent change in the amplitude of a wave due to the relative motion between a wave source and an observer.

Tags

NGSS.HS-PS4-1

Which of the following determines the loudness of a sound wave?

• Frequency

• Amplitude

• Reflection

• Absorption

Tags

NGSS.MS-PS4-1

The following statement is true about frequency of sound, except

• influence loudness of sound

• measured in Hertz

• influence pitch of sound

• represent the number of complete cycle of wave in one second