0654 Sound Waves Quiz

Jeffrey Piggott
Quiz by Jeffrey Piggott, updated more than 1 year ago
Jeffrey Piggott
Created by Jeffrey Piggott over 2 years ago
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Quiz for 0654 Coordinated Sciences on Topic P4.4 Sound

Resource summary

Question 1

Question
Why can ultrasound not be heard by humans?
Answer
  • A The amplitude is too great.
  • B The frequency is too great.
  • C The speed is too great.
  • D The wavelength is too great.

Question 2

Question
A sound wave has a certain amplitude and a certain frequency. A second sound wave is quieter and lower in pitch than the first sound wave. The second wave has .......
Answer
  • A a larger amplitude and a greater frequency.
  • B a larger amplitude and a smaller frequency.
  • C a smaller amplitude and a greater frequency.
  • D a smaller amplitude and a smaller frequency.

Question 3

Question
What is the approximate range of hearing of a healthy human ear?
Answer
  • A 2.0 Hz to 2.0 kHz
  • B 2.0 Hz to 20 kHz
  • C 20 Hz to 2.0 kHz
  • D 20 Hz to 20 kHz

Question 4

Question
A singer sings two notes. The first note is louder and lower in pitch than the second note. Which statement about the two notes is correct?
Answer
  • A The first note has a larger amplitude and a larger frequency than the second note.
  • B The first note has a larger amplitude and a smaller frequency than the second note.
  • C The first note has a smaller amplitude and a larger frequency than the second note.
  • D The first note has a smaller amplitude and a smaller frequency than the second note.

Question 5

Question
Which range of wave frequencies includes only sounds that can be heard by a human with normal hearing?
Answer
  • A 3.0 Hz to 300 Hz
  • B 30 Hz to 3000 Hz
  • C 300 Hz to 30 000 Hz
  • D 3000 Hz to 300 000 Hz

Question 6

Question
A candle flame is placed in front of a loudspeaker. The loudspeaker produces a sound wave that causes air particles to vibrate. The vibrating air particles make the candle flame vibrate in the same direction as the air particles.
Answer
  • A
  • B
  • C
  • D

Question 7

Question
A sound wave travels from a point X to another point Y. Which diagram represents the movement of the air molecules, due to the sound wave, in the region between X and Y?
Answer
  • A
  • B
  • C
  • D

Question 8

Question
Sound wave P has a greater amplitude and a larger wavelength in air than sound wave Q. How do the loudness and pitch of P compare with the loudness and pitch of Q?
Answer
  • A P is louder and higher in pitch than Q.
  • B P is louder and lower in pitch than Q.
  • C P is quieter and higher in pitch than Q.
  • D P is quieter and lower in pitch than Q.

Question 9

Question
An echo-sounder on a ship produces a pulse of sound. The echo is received by the echo-sounder after two seconds. The speed of sound in sea-water is 1500 m / s. What is the depth of the sea-water below the ship?
Answer
  • A 750 m
  • B 1500 m
  • C 3000 m
  • D 6000 m

Question 10

Question
Which frequency produces a sound that can be heard by a person?
Answer
  • A 2 Hz
  • B 10 Hz
  • C 2 kHz
  • D 30 kHz

Question 11

Question
Which row states two properties of sound waves?
Answer
  • A
  • B
  • C
  • D

Question 12

Question
A quiet sound is produced by a loudspeaker. The loudness of the sound is increased. Which property of the sound wave is increased?
Answer
  • A amplitude
  • B frequency
  • C speed
  • D wavelength

Question 13

Question
A man holding a starting pistol stands 640 m away from a spectator. The spectator hears the sound of the starting pistol 2.0 s after seeing the flash from the pistol. Using this information, what is the speed of sound in air?
Answer
  • A 160 m / s
  • B 320 m / s
  • C 640 m / s
  • D 1280 m / s

Question 14

Question
The frequency of a musical note is increased. A student hearing the sound detects an increase in which property?
Answer
  • A loudness of the sound
  • B pitch of the sound
  • C speed of the sound wave
  • D wavelength of the sound wave

Question 15

Question
In the experiment shown, the bell is heard ringing. The air is gradually pumped out of the jar. No change is made to the ringing bell. After a few minutes the bell can no longer be heard. Why is this?
Answer
  • A The amplitude of vibration of the bell decreases.
  • B The frequency of vibration of the bell increases.
  • C The sound waves from the bell become transverse.
  • D The sound waves need a medium to travel through.

Question 16

Question
What can be heard by the human ear?
Answer
  • A a whistle emitting a wave of frequency 50 kHz
  • B a bat emitting a wave of frequency 30 kHz
  • C an insect emitting a wave of frequency 300 Hz
  • D a vibrating spring emitting a wave of frequency 5 Hz

Question 17

Question
Which row states whether light waves and whether sound waves can travel in a vacuum?
Answer
  • A
  • B
  • C
  • D

Question 18

Question
Sounds are produced by vibrating objects. A certain object vibrates but a person nearby cannot hear any sound. Which statement could explain why nothing is heard?
Answer
  • A The amplitude of the sound waves is too large.
  • B The frequency of the vibration is too high.
  • C The sound waves are transverse.
  • D The speed of the sound waves is too high.

Question 19

Question
Two sounds X and Y are produced by loudspeakers. The amplitude and frequency of each sound wave is given below. X : amplitude = 1.3 mm; frequency = 475 Hz Y : amplitude = 2.0 mm; frequency = 235 Hz How does sound Y compare with sound X?
Answer
  • A Y is louder and has a higher pitch.
  • B Y is louder and has a lower pitch.
  • C Y is quieter and has a higher pitch.
  • D Y is quieter and has a lower pitch.
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