Y9 6.1 Loudness and pitch of sound [revision]

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

• 
• 
• 
• 

Choose the correct statements. (2 answers)

• P - The loudness increases

• Q - The pitch decreases

• R - The loudness decreases

• S - The pitch increases

Tags

NGSS.MS-PS4-1

The ____________ of sound is the number of sound vibrations generated in a second.

• amplitude

• frequency

• reflection

• absorption

The __________ of a sound is the sharpness of a sound.

• loudness

• echo

• pitch

• vibration

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

If a musician plays a soft note, what is the characteristic that has been changed?

• Loudness

• Pitch of sound

Tags

NGSS.MS-PS4-1

Which waveform has the lowest frequency?

• (a)

• (b)

• (c)

• (d)

• (e)

Tags

NGSS.MS-PS4-1

Choose true statements about the difference in the characteristics of the vibration of the voice box of men and women. (2 answers)

• The voice box of women produces sound with higher frequency compared to the voice box of men.

• The voice box of women produces sound with lower frequency compared to the voice box of men.

• women's voice has a higher pitch

• women's voice has a lower pitch

If the distance represented by the letter A (the amplitude) were increased, how would it change the sound?

• The sound would be higher.

• The sound would be softer.

• The sound would be lower.

• The sound would be louder.

Tags

NGSS.MS-PS4-1

What is changed in the second picture?

• Someone is talking louder in picture 2

• Someone is talking softer in picture 2

• Someone is talking lower pitch in picture 2

• Someone is talking higher pitch in picture 2

Tags

NGSS.MS-PS4-1