Question 1

A tuning fork of frequency 200 hertz can resonate if an incident sound wave has a frequency of

Accepted Answer

A) 100 hertz. 
B) 200 hertz. 
C) both of these 
D) neither of these 
A) 100 hertz. 
B) 200 hertz. 
C) both of these 
D) neither of these

Question 2

You slowly rub your wet finger around the thin rim of a wine glass while you hold its base firmly to a tabletop with your other hand.The resulting sounds illustrates

Accepted Answer

A) forced vibrations. 
B) resonance. 
C) both of these 
D) none of the above 
A) forced vibrations. 
B) resonance. 
C) both of these 
D) none of the above

Question 3

The vibrating system with the greatest frequency has the

Accepted Answer

A) shortest period. 
B) longest period. 
C) both of these 
D) none of the above 
A) shortest period. 
B) longest period. 
C) both of these 
D) none of the above

Question 4

What is the relationship between wave frequency and period? What is the period,in seconds,that corresponds to each of the following frequencies: (a)10 Hz,(b)0.2 Hz,(c)60 Hz?

Accepted Answer

Wave frequency and period are reciprocal

Question 5

The number of nodes in a standing wave of two wavelengths,not including the endpoints,is

Accepted Answer

A) 2. 
B) 3. 
C) 4. 
D) 5. 
E) 6. 
A) 2. 
B) 3. 
C) 4. 
D) 5. 
E) 6.

Question 6

A floating leaf oscillates up and down twice in 1 s as a water wave passes by.What is the wave's frequency?

Accepted Answer

A) 0.5 Hz 
B) 1 Hz 
C) 2 Hz 
D) 3 Hz 
E) 6 Hz 
A) 0.5 Hz 
B) 1 Hz 
C) 2 Hz 
D) 3 Hz 
E) 6 Hz

Question 7

Compressions and rarefactions of sound waves normally travel

Accepted Answer

A) at different speeds. 
B) in opposite directions. 
C) at reduced frequencies. 
D) all of the above 
E) none of the above 
A) at different speeds. 
B) in opposite directions. 
C) at reduced frequencies. 
D) all of the above 
E) none of the above

Question 8

The period of the second hand on a clock is

Accepted Answer

A) 1 s. 
B) 1/60 s. 
C) 60 s. 
D) 3600 s. 
E) 12 h. 
A) 1 s. 
B) 1/60 s. 
C) 60 s. 
D) 3600 s. 
E) 12 h.

Question 9

Which of the following is a longitudinal wave?

Accepted Answer

A) sound 
B) light 
C) radio 
D) all of the above 
E) none of the above 
A) sound 
B) light 
C) radio 
D) all of the above 
E) none of the above

Question 10

Sound interference with a pair of radio loudspeakers can be nicely demonstrated when the

Accepted Answer

A) radio signal is monaural for each. 
B) input and output of the speakers are reversed. 
C) speakers are brought face to face. 
D) all of the above 
E) none of the above 
A) radio signal is monaural for each. 
B) input and output of the speakers are reversed. 
C) speakers are brought face to face. 
D) all of the above 
E) none of the above

Question 11

A red shift for light indicates that the light source is moving

Accepted Answer

A) toward you. 
B) away from you. 
C) both of these 
D) none of the above 
A) toward you. 
B) away from you. 
C) both of these 
D) none of the above

Question 12

A sound source of high frequency emits a high

Accepted Answer

A) speed. 
B) amplitude. 
C) pitch. 
D) all of the above 
E) none of the above 
A) speed. 
B) amplitude. 
C) pitch. 
D) all of the above 
E) none of the above

Question 13

A wave having a frequency of 1000 Hz vibrates at

Accepted Answer

A) less than 1000 cycles per second. 
B) 1000 cycles per second. 
C) more than 1000 cycles per second. 
D) none of the above 
A) less than 1000 cycles per second. 
B) 1000 cycles per second. 
C) more than 1000 cycles per second. 
D) none of the above

Question 14

Double the frequency of sound and you also double its

Accepted Answer

A) wavelength. 
B) speed. 
C) amplitude. 
D) all of the above 
E) none of the above 
A) wavelength. 
B) speed. 
C) amplitude. 
D) all of the above 
E) none of the above

Question 15

As a supersonic aircraft gains speed,the angle of its shock wave

Accepted Answer

A) narrows. 
B) widens. 
C) remains unchanged. 
A) narrows. 
B) widens. 
C) remains unchanged.

Question 16

If you quickly run away from the orchestra at a concert,the frequency of the sound you hear will be

Accepted Answer

A) decreased. 
B) increased. 
C) neither of these 
A) decreased. 
B) increased. 
C) neither of these

Question 17

Sound waves can interfere with one another so that no sound is heard.

Accepted Answer

A) True 
B) False 
A) True 
B) False

Question 18

The speed of sound varies with

Accepted Answer

A) loudness. 
B) frequency. 
C) wavelength. 
D) all of the above 
E) none of the above 
A) loudness. 
B) frequency. 
C) wavelength. 
D) all of the above 
E) none of the above

Question 19

A node is a position of

Accepted Answer

A) minimum amplitude. 
B) maximum amplitude. 
C) minimum frequency. 
A) minimum amplitude. 
B) maximum amplitude. 
C) minimum frequency.

Question 20

Fourier analysis is used

Accepted Answer

A) in breaking down sound signals to component parts. 
B) automatically in human hearing. 
C) both of these 
D) none of the above 
A) in breaking down sound signals to component parts. 
B) automatically in human hearing. 
C) both of these 
D) none of the above

Exam 10: Waves and Sound

A tuning fork of frequency 200 hertz can resonate if an incident sound wave has a frequency of

You slowly rub your wet finger around the thin rim of a wine glass while you hold its base firmly to a tabletop with your other hand.The resulting sounds illustrates

The vibrating system with the greatest frequency has the

What is the relationship between wave frequency and period? What is the period,in seconds,that corresponds to each of the following frequencies: (a)10 Hz,(b)0.2 Hz,(c)60 Hz?

The number of nodes in a standing wave of two wavelengths,not including the endpoints,is

A floating leaf oscillates up and down twice in 1 s as a water wave passes by.What is the wave's frequency?

Compressions and rarefactions of sound waves normally travel

The period of the second hand on a clock is

Which of the following is a longitudinal wave?

Sound interference with a pair of radio loudspeakers can be nicely demonstrated when the

A red shift for light indicates that the light source is moving

A sound source of high frequency emits a high

A wave having a frequency of 1000 Hz vibrates at

Double the frequency of sound and you also double its

As a supersonic aircraft gains speed,the angle of its shock wave

If you quickly run away from the orchestra at a concert,the frequency of the sound you hear will be

Sound waves can interfere with one another so that no sound is heard.

The speed of sound varies with

A node is a position of

Fourier analysis is used

Patterns of Motion and Equilibrium

Newtons Laws of Motion

Momentum and Energy

Gravity, Projectiles, and Satellites

Fluid Mechanics

Thermal Energy and Thermodynamics

Heat Transfer and Change of Phase

Static and Current Electricity

Magnetism and Electromagnetic Induction

Light

Atoms and the Periodic Table

The Atomic Nucleus and Radioactivity

Elements of Chemistry

How Atoms Bond and Molecules Attract

Mixtures

How Chemicals React

Two Classes of Chemical Reactions

Organic Compounds

Rocks and Minerals

Plate Tectonics and Earths Interior

Shaping Earths Surface

Geologic Time - Reading the Rock Record

The Oceans, Atmosphere, and Climatic Effects

Driving Forces of Weather

The Solar System

Stars and Galaxies

The Structure of Space and Time

Prologue: The Nature of Science

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