Physical Science 12Th Edition By Bill Tillery - Test Bank

Physical Science 12Th Edition By Bill Tillery – Test Bank

 

Instant Download – Complete Test Bank With Answers

 

 

Sample Questions Are Posted Below

 

Physical Science, 12e (Tillery)

Chapter 5   Wave Motions and Sounds

 

1) The restoring force of a stretched spring is proportional to the displacement of the object at the end.

 

Answer:  TRUE

Section:  05.01

Topic:  Vibrations

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

2) The frequency is the time required for one complete cycle of a swinging pendulum.

 

Answer:  FALSE

Section:  05.01

Topic:  Vibrations

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

3) Sound waves moving through air are transverse.

 

Answer:  FALSE

Section:  05.02

Topic:  Waves

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

4) The amplitude of a wave is the distance from the crest to the equilibrium position.

 

Answer:  TRUE

Section:  05.03

Topic:  Waves

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

 

 

5) Sound travels faster through cold, denser air than through warm, less dense air.

 

Answer:  FALSE

Section:  05.04

Topic:  Sound

Bloom’s:  4. Analyze

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

6) Piano tuners try to reduce the beat frequency between their tuning fork and the wire they are tuning.

 

Answer:  TRUE

Section:  05.04

Topic:  Sound

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

7) A radio playing music at 20 dB intensity is twice as loud as one playing at 10 dB.

 

Answer:  FALSE

Section:  05.05

Topic:  Sound

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

8) In resonance the amplitude of a vibrating source becomes larger.

 

Answer:  FALSE

Section:  05.05

Topic:  Sound

Bloom’s:  4. Analyze

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

9) The fundamental frequency of a vibrating string has a length that is 1/2 the wavelength.

 

Answer:  TRUE

Section:  05.06

Topic:  Sound

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

10) When you are moving toward a stationary source of a sound, its frequency will appear lower than it actually is.

 

Answer:  FALSE

Section:  05.06

Topic:  Sound

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

11) Through which medium will sound travel most rapidly?

1. A) vacuum
2. B) air
3. C) water
4. D) steel

 

Answer:  D

Section:  05.04

Topic:  Sound

Bloom’s:  4. Analyze

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

12) Sound waves in air

1. A) are longitudinal waves.
2. B) are produced by something vibrating.
3. C) undergo refraction when they pass through warm and cold air.
4. D) All of the answers are correct.

 

Answer:  D

Section:  05.04

Topic:  Sound

Bloom’s:  4. Analyze

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

 

 

13) The time that is required for a vibrating object to complete one full cycle is called

1. A) frequency.
2. B) wavelength.
3. C) amplitude.
4. D) period.

 

Answer:  D

Section:  05.01

Topic:  Vibrations

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

14) Longitudinal waves with a frequency above 20,000 Hz are

1. A) impossible.
2. B) supersonic.
3. C) ultrasonic.
4. D) infrasonic.

 

Answer:  C

Section:  05.04

Topic:  Sound

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

15) If v = λf, then how are λ and f related?

1. A) λ is directly proportional to f
2. B) λ is inversely proportional to f
3. C) λ is a factor of f
4. D) λ and f are unrelated

 

Answer:  B

Section:  05.04

Topic:  Sound

Bloom’s:  4. Analyze

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

 

 

16) Transverse mechanical waves can pass through

1. A) solids.
2. B) liquids.
3. C) gases.
4. D) All of the answers are correct.

 

Answer:  A

Section:  05.02

Topic:  Sound

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

17) In longitudinal waves, the medium

1. A) vibrates in a direction perpendicular to the direction of motion of the wave.
2. B) vibrates in the same direction the wave is moving.
3. C) moves in sort of a circular motion.
4. D) doesn’t vibrate; the disturbance just moves through the medium.

 

Answer:  B

Section:  05.02

Topic:  Sound

Bloom’s:  2. Understanding

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

18) The characteristic of a sound wave that you interpret as loudness is related to

1. A) frequency.
2. B) wavelength.
3. C) amplitude.
4. D) velocity.

 

Answer:  C

Section:  05.04

Topic:  Sound

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

 

 

19) Reflected sound waves that are heard within 0.1 s

1. A) undergo a gain in volume.
2. B) make an echo.
3. C) cause interference.
4. D) make a beat.

 

Answer:  A

Section:  05.04

Topic:  Sound

Bloom’s:  4. Analyze

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

20) The higher the frequency of a sound wave

1. A) the higher the pitch.
2. B) the longer the wavelength.
3. C) the higher the velocity.
4. D) the greater the amplitude.

 

Answer:  A

Section:  05.04

Topic:  Sound

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

21) A nearby noise level of 65 decibels is about the same as

1. A) a whisper.
2. B) a jet plane.
3. C) normal conversation.
4. D) a library.

 

Answer:  C

Section:  05.06

Topic:  Sound

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

 

 

22) The bending of a wave passing through a boundary between two different substances is called

1. A) reflection
2. B) resonance
3. C) reverberation
4. D) refraction

 

Answer:  D

Section:  05.04

Topic:  Sound

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

23) The lowest frequency possible in a vibrating string undergoing resonance is

1. A) the fundamental frequency.
2. B) determines the pitch of the musical note sounded.
3. C) has one antinode.
4. D) All of the answers are correct.

 

Answer:  D

Section:  05.06

Topic:  Sound

Bloom’s:  4. Analyze

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

24) When the trough of one wave collides at the same time and place as the crest of otherwise identical wave,

1. A) constructive interference occurs.
2. B) destructive interference occurs.
3. C) resonance occurs.
4. D) they don’t interact with each other.

 

Answer:  B

Section:  05.04

Topic:  Sound

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

 

 

25) Suppose that you hold a vibrating 340 Hz tuning fork near a guitar string that is vibrating at 350 Hz. What you hear is

1. A) two separate tones of different frequency.
2. B) one tone with a frequency of 345 Hz.
3. C) beats with a frequency of 10 Hz.
4. D) one tone with a frequency of 690 Hz.

 

Answer:  C

Section:  05.04

Topic:  Sound

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

26) What is the range of normal human hearing?

1. A) 200 to 120,000 Hz
2. B) 20 to 2,000 Hz
3. C) 50 to 10,000 Hz
4. D) 20 to 20,000 Hz

 

Answer:  D

Section:  05.04

Topic:  Sound

Bloom’s:  2. Understanding

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

27) Condensation in a longitudinal wave corresponds to what part of a transverse wave?

1. A) crest
2. B) trough
3. C) wavelength
4. D) amplitude

 

Answer:  A

Section:  05.04

Topic:  Sound

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

 

 

28) Resonance occurs at a(n)

1. A) natural frequency.
2. B) intensity match.
3. C) point of constructive interference.
4. D) point of destructive interference.

 

Answer:  A

Section:  05.05

Topic:  Sound

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

29) A sound that is perceived as twice as loud requires

1. A) twice the intensity.
2. B) four times the intensity.
3. C) ten times the intensity.
4. D) one hundred times the intensity.

 

Answer:  C

Section:  05.05

Topic:  Sound

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic

 

30) You are able to hear sounds from farther away on a cool night because sound waves are refracted toward

1. A) cooler air near the ground.
2. B) warmer air above the ground.
3. C) cooler air above the ground.
4. D) warmer air near the ground.

 

Answer:  A

Section:  05.04

Topic:  Sound

Bloom’s:  3. Apply

Accessibility:  Keyboard Navigation

Gradable:  automatic