Question 1

Which of the following radiations has the smallest frequency?

Accepted Answer

A)  Infrared 
B)  Visible 
C)  Ultraviolet 
D)  X-rays 
A)  Infrared 
B)  Visible 
C)  Ultraviolet 
D)  X-rays

Question 2

A certain radio wave has a frequency of 1.03 MHz.What is the wavelength?

Accepted Answer

The answer of A certain radio wave has a frequency...

Question 3

A stretched string can have ______________ natural frequency(ies).

Accepted Answer

A)  one 
B)  10 times its length in 
C)  5 times its length in 
D)  many 
A)  one 
B)  10 times its length in 
C)  5 times its length in 
D)  many

Question 4

Standing waves can be set up in a string when two waves that are

Accepted Answer

A)  of the same frequency and amplitude, but are opposite in direction of travel, meet each other. 
B)  of the same frequency, amplitude, and direction of travel are also 180° out of phase. 
C)  of the same frequency, amplitude, and direction of travel meet each other. 
D)  of the same frequency, amplitude, and velocity meet each other. 
A)  of the same frequency and amplitude, but are opposite in direction of travel, meet each other. 
B)  of the same frequency, amplitude, and direction of travel are also 180° out of phase. 
C)  of the same frequency, amplitude, and direction of travel meet each other. 
D)  of the same frequency, amplitude, and velocity meet each other.

Question 5

A certain radio wave has a wavelength of 6.0 × 10-2m.What is its frequency in hertz?

Accepted Answer

Question 6

A series of ocean waves,each 24.0 m from crest to crest and moving past an observer at a rate of 6.0 waves per second,has what speed?

Accepted Answer

A)  144 m/s 
B)  4 m/s 
C)  6 m/s 
D)  0.25 m/s 
A)  144 m/s 
B)  4 m/s 
C)  6 m/s 
D)  0.25 m/s

Question 7

For a longitudinal mechanical wave,the particle motion is

Accepted Answer

A)  parallel to the direction of the wave velocity. 
B)  perpendicular to the direction of the wave velocity. 
C)  both parallel and perpendicular to the direction of the wave velocity. 
D)  in all directions. 
A)  parallel to the direction of the wave velocity. 
B)  perpendicular to the direction of the wave velocity. 
C)  both parallel and perpendicular to the direction of the wave velocity. 
D)  in all directions.

Question 8

A radar pulse returns 3.0 × 10-4 s after it was sent out and reflected by an object.What is the separation distance of the radar source and the object?

Accepted Answer

Question 9

The minimum sound intensity that can be detected by the human ear is called the ______________ of hearing.

Accepted Answer

The answer of The minimum sound intensity that can be...

Question 10

The region of the electromagnetic spectrum with frequencies just less than those in the visible region is the ______________ region.

Accepted Answer

A)  infrared 
B)  gamma rays 
C)  radio waves 
D)  microwaves 
E)  x-rays 
A)  infrared 
B)  gamma rays 
C)  radio waves 
D)  microwaves 
E)  x-rays

Question 11

What is the frequency,in hertz,of a sound wave (v = 340 m/s)with a wavelength of 0.20 m?

Accepted Answer

The answer of What is the frequency,in hertz,of a sound...

Question 12

If the intensity of a sound is increased by a factor of 100,how is the decibel level affected?

Accepted Answer

The answer of If the intensity of a sound is...

Question 13

If a wave has a period of 0.077 sec,it has a frequency of

Accepted Answer

A)  1/13 Hz. 
B)  3.6 Hz. 
C)  169 Hz. 
D)  13 Hz. 
A)  1/13 Hz. 
B)  3.6 Hz. 
C)  169 Hz. 
D)  13 Hz.

Question 14

A sound level of 96 dB is how many times as intense as one of 90 dB?

Accepted Answer

The answer of A sound level of 96 dB is...

Question 15

How many times greater is the speed of red light (λ = 700 nm)than the speed of violet light (λ = 400 nm)in a vacuum?

Accepted Answer

A)  1.75 , the first color of light is faster 
B)  0.57 , the second color of light is faster 
C)  3.00 x 108 , the first color of light is faster 
D)  1.00 , both colors of light have the same speed 
E)  3.00 x 108 , the second color of light is faster 
A)  1.75 , the first color of light is faster 
B)  0.57 , the second color of light is faster 
C)  3.00 x 108 , the first color of light is faster 
D)  1.00 , both colors of light have the same speed 
E)  3.00 x 108 , the second color of light is faster

Question 16

The major difference between transverse and longitudinal waves is the

Accepted Answer

A)  direction of the wave motion. 
B)  phase difference. 
C)  direction of the particle displacement with respect to the direction of wave motion. 
D)  size of the waves. 
A)  direction of the wave motion. 
B)  phase difference. 
C)  direction of the particle displacement with respect to the direction of wave motion. 
D)  size of the waves.

Question 17

A wave with a frequency of 5 Hz will have a period of ______________ s.

Accepted Answer

The answer of A wave with a frequency of 5...

Question 18

A wave is a propagation of ______________.

Accepted Answer

energy,or

Question 19

A train sounding its horn is moving toward an observer.The pitch of the horn's sound relative to its normal pitch is

Accepted Answer

A)  lower. 
B)  sometimes higher and sometimes lower. 
C)  higher. 
D)  the same. 
A)  lower. 
B)  sometimes higher and sometimes lower. 
C)  higher. 
D)  the same.

Question 20

Which of the following characterize(s)a wave?

Accepted Answer

A)  Wavelength 
B)  Amplitude 
C)  Period 
D)  All of these 
A)  Wavelength 
B)  Amplitude 
C)  Period 
D)  All of these

Exam 6: Waves and Sound

Which of the following radiations has the smallest frequency?

A certain radio wave has a frequency of 1.03 MHz.What is the wavelength?

A stretched string can have ______________ natural frequency(ies).

Standing waves can be set up in a string when two waves that are

A certain radio wave has a wavelength of 6.0 × 10-2m.What is its frequency in hertz?

A series of ocean waves,each 24.0 m from crest to crest and moving past an observer at a rate of 6.0 waves per second,has what speed?

For a longitudinal mechanical wave,the particle motion is

A radar pulse returns 3.0 × 10-4 s after it was sent out and reflected by an object.What is the separation distance of the radar source and the object?

The minimum sound intensity that can be detected by the human ear is called the ______________ of hearing.

The region of the electromagnetic spectrum with frequencies just less than those in the visible region is the ______________ region.

What is the frequency,in hertz,of a sound wave (v = 340 m/s)with a wavelength of 0.20 m?

If the intensity of a sound is increased by a factor of 100,how is the decibel level affected?

If a wave has a period of 0.077 sec,it has a frequency of

A sound level of 96 dB is how many times as intense as one of 90 dB?

How many times greater is the speed of red light (λ = 700 nm)than the speed of violet light (λ = 400 nm)in a vacuum?

The major difference between transverse and longitudinal waves is the

A wave with a frequency of 5 Hz will have a period of ______________ s.

A wave is a propagation of ______________.

A train sounding its horn is moving toward an observer.The pitch of the horn's sound relative to its normal pitch is

Which of the following characterize(s)a wave?

Measurement

Motion

Force and Motion

Work and Energy

Temperature and Heat

Optics and Wave Effects

Electricity and Magnetism

Atomic Physics

Nuclear Physics

The Chemical Elements

Chemical Bonding

Chemical Reactions

Organic Chemistry

Place and Time

The Solar System

Moons and Small Solar System Bodies

The Universe

The Atmosphere

Atmospheric Effects

Structural G Eology and P Late Tectonics

Minerals, rocks, and Volcanoes

Surface Processes

Geologic Time

Filters

A certain radio wave has a wavelength of 6.0 × 10^-2m.What is its frequency in hertz?

A radar pulse returns 3.0 × 10^-4 s after it was sent out and reflected by an object.What is the separation distance of the radar source and the object?