Question 1

The source of every sound is something that is

Accepted Answer

A)  undergoing simple harmonic motion. 
B)  vibrating. 
C)  accelerating. 
D)  moving. 
E)  a net emitter of energy. 
A)  undergoing simple harmonic motion. 
B)  vibrating. 
C)  accelerating. 
D)  moving. 
E)  a net emitter of energy.

Question 2

A floating object oscillates up and down 2 complete cycles in 1 second as a water wave of wavelength 5 meters passes by. The speed of the wave is

Accepted Answer

A)  10 m/s. 
B)  2 m/s. 
C)  5 m/s. 
D)  15 m/s. 
E)  none of these 
A)  10 m/s. 
B)  2 m/s. 
C)  5 m/s. 
D)  15 m/s. 
E)  none of these

Question 3

In perceiving its environment, a dolphin makes use of

Accepted Answer

A)  the Doppler effect. 
B)  echoes. 
C)  ultrasound. 
D)  All of the above choices are correct. 
E)  None of the above choices are correct. 
A)  the Doppler effect. 
B)  echoes. 
C)  ultrasound. 
D)  All of the above choices are correct. 
E)  None of the above choices are correct.

Question 4

As a supersonic craft increases in speed, the angle of its V-shaped shock wave becomes

Accepted Answer

A)  narrower. 
B)  wider. 
C)  neither 
A)  narrower. 
B)  wider. 
C)  neither

Question 5

How many vibrations per second are associated with a 101-MHz radio wave?

Accepted Answer

A)  less than 101,000,000 
B)  more than 101,000,000 
C)  101,000,000 
A)  less than 101,000,000 
B)  more than 101,000,000 
C)  101,000,000

Question 6

The vibrations of a longitudinal wave move in a direction

Accepted Answer

A)  that changes with speed. 
B)  at right angles to the direction of wave travel. 
C)  along the direction of wave travel. 
A)  that changes with speed. 
B)  at right angles to the direction of wave travel. 
C)  along the direction of wave travel.

Question 7

A skipper on a boat notices wave crests passing the anchor chain every 5 seconds. The skipper estimates the distance between crests is 15 m. What is the speed of the water waves?

Accepted Answer

A)  5 m/s 
B)  3 m/s 
C)  15 m/s 
D)  not enough information given 
A)  5 m/s 
B)  3 m/s 
C)  15 m/s 
D)  not enough information given

Question 8

The wavelengths of sound that carry farther in air are relatively

Accepted Answer

A)  long. 
B)  short. 
C)  ultrasonic. 
A)  long. 
B)  short. 
C)  ultrasonic.

Question 9

As we become older, the frequency range of human hearing

Accepted Answer

A)  increases. 
B)  decreases. 
C)  remains relatively constant. 
A)  increases. 
B)  decreases. 
C)  remains relatively constant.

Question 10

When the speed of sound near the ground is greater than it is at higher altitudes, the sound tends to be bent

Accepted Answer

A)  upward. 
B)  downward. 
C)  to the right. 
D)  to the left. 
E)  None of the above choices are correct. 
A)  upward. 
B)  downward. 
C)  to the right. 
D)  to the left. 
E)  None of the above choices are correct.

Question 11

Double the frequency of a sound and you halve its

Accepted Answer

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

Question 12

An object that completes 10 vibrations in 20 seconds has a frequency of

Accepted Answer

A)  200 hertz. 
B)  0.5 hertz. 
C)  2 hertz. 
A)  200 hertz. 
B)  0.5 hertz. 
C)  2 hertz.

Question 13

The object with the highest natural frequency is a

Accepted Answer

A)  large bell. 
B)  small bell. 
C)  medium size bell. 
A)  large bell. 
B)  small bell. 
C)  medium size bell.

Question 14

The amplitude of a particular wave is 1 meter. The top-to-bottom distance of the disturbance is

Accepted Answer

A)  1 m. 
B)  0.5 m. 
C)  2 m. 
D)  none of these 
A)  1 m. 
B)  0.5 m. 
C)  2 m. 
D)  none of these

Question 15

The approximate range of human hearing is

Accepted Answer

A)  20 hertz to 20,000 hertz. 
B)  40 hertz to 40,000 hertz. 
C)  10 hertz to 10,000 hertz. 
D)  Actually all of these-depends on the hearing ability of the person. 
A)  20 hertz to 20,000 hertz. 
B)  40 hertz to 40,000 hertz. 
C)  10 hertz to 10,000 hertz. 
D)  Actually all of these-depends on the hearing ability of the person.

Question 16

Which of the following is not a transverse wave?

Accepted Answer

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

Question 17

In the case of radio, which has the higher frequency?

Accepted Answer

A)  Sound wave 
B)  Carrier wave 
C)  Neither. Both may be of the same frequency. 
A)  Sound wave 
B)  Carrier wave 
C)  Neither. Both may be of the same frequency.

Question 18

Suppose a simple pendulum is suspended in an elevator. When the elevator is accelerating upward, the frequency of the pendulum

Accepted Answer

A)  decreases. 
B)  increases. 
C)  doesn't change. 
A)  decreases. 
B)  increases. 
C)  doesn't change.

Question 19

The least energy required to produce forced vibration in an object occurs

Accepted Answer

A)  at its natural frequency. 
B)  below its natural frequency. 
C)  above its natural frequency. 
A)  at its natural frequency. 
B)  below its natural frequency. 
C)  above its natural frequency.

Question 20

A common source of wave motion is a

Accepted Answer

A)  harmonic object. 
B)  region of variable high and low pressure. 
C)  wave pattern. 
D)  vibrating object. 
E)  none of these 
A)  harmonic object. 
B)  region of variable high and low pressure. 
C)  wave pattern. 
D)  vibrating object. 
E)  none of these

The source of every sound is something that is

A floating object oscillates up and down 2 complete cycles in 1 second as a water wave of wavelength 5 meters passes by. The speed of the wave is

In perceiving its environment, a dolphin makes use of

As a supersonic craft increases in speed, the angle of its V-shaped shock wave becomes

How many vibrations per second are associated with a 101-MHz radio wave?

The vibrations of a longitudinal wave move in a direction

A skipper on a boat notices wave crests passing the anchor chain every 5 seconds. The skipper estimates the distance between crests is 15 m. What is the speed of the water waves?

The wavelengths of sound that carry farther in air are relatively

As we become older, the frequency range of human hearing

When the speed of sound near the ground is greater than it is at higher altitudes, the sound tends to be bent

Double the frequency of a sound and you halve its

An object that completes 10 vibrations in 20 seconds has a frequency of

The object with the highest natural frequency is a

The amplitude of a particular wave is 1 meter. The top-to-bottom distance of the disturbance is

The approximate range of human hearing is

Which of the following is not a transverse wave?

In the case of radio, which has the higher frequency?

Suppose a simple pendulum is suspended in an elevator. When the elevator is accelerating upward, the frequency of the pendulum

The least energy required to produce forced vibration in an object occurs

A common source of wave motion is a

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Exam 12: Waves and Sound

The source of every sound is something that is

A floating object oscillates up and down 2 complete cycles in 1 second as a water wave of wavelength 5 meters passes by. The speed of the wave is

In perceiving its environment, a dolphin makes use of

As a supersonic craft increases in speed, the angle of its V-shaped shock wave becomes

How many vibrations per second are associated with a 101-MHz radio wave?

The vibrations of a longitudinal wave move in a direction

A skipper on a boat notices wave crests passing the anchor chain every 5 seconds. The skipper estimates the distance between crests is 15 m. What is the speed of the water waves?

The wavelengths of sound that carry farther in air are relatively

As we become older, the frequency range of human hearing

When the speed of sound near the ground is greater than it is at higher altitudes, the sound tends to be bent

Double the frequency of a sound and you halve its

An object that completes 10 vibrations in 20 seconds has a frequency of

The object with the highest natural frequency is a

The amplitude of a particular wave is 1 meter. The top-to-bottom distance of the disturbance is

The approximate range of human hearing is

Which of the following is not a transverse wave?

In the case of radio, which has the higher frequency?

Suppose a simple pendulum is suspended in an elevator. When the elevator is accelerating upward, the frequency of the pendulum

The least energy required to produce forced vibration in an object occurs

A common source of wave motion is a

About Science

Atoms

Equilibrium and Linear Motion

Newtons Laws of Motion

Momentum and Energy

Gravity, Projectiles, and Satellites

Fluid Mechanics

Temperature, Heat, and Thermodynamics

Heat Transfer and Change of Phase

Static and Current Electricity

Magnetism and Electromagnetic Induction

Light Waves

Properties of Light

Quantum Theory

The Atomic Nucleus and Radioactivity

Physics of Rotation and Equilibrium

Filters