Question 1

There are three antinodes in a double node standing wave.

Accepted Answer

A) True 
 B)False

Question 2

Waves that form beneath the surface on the pycnocline are called ________ waves.

Accepted Answer

The answer of Waves that form beneath the surface on...

Question 3

Internal waves are faster and have shorter periods than most wind waves.

Accepted Answer

A) True 
 B)False

Question 4

The speed of a shallow water wave changes with depth, but the length of a wave does not change.

Accepted Answer

A) True 
 B)False

Question 5

Water particles in shallow-water waves move in ________ orbits.

Accepted Answer

The answer of Water particles in shallow-water waves move in...

Question 6

Because of dispersion the distribution of waves from a single storm changes with time and distance from the storm center.

Accepted Answer

A) True 
 B)False

Question 7

The average energy of a wave is related to the square of its

Accepted Answer

A)   height.
B)   wave length.
C)   period.
D)   speed.
E)   All of these are correct.F) B) and D)
G) B) and C)

Question 8

Waves moving against a current will

Accepted Answer

A)   increase their height.
B)   decrease their speed.
C)   shorten their wavelength.
D)   All of these are correct.
E)   None of these are correct.F) All of the above
G) A) and E)

Question 9

There is no vertical motion at the antinode of a standing wave.

Accepted Answer

A) True 
 B)False

Question 10

When water depth is between L/2 and L/20, the wave speed is constant.

Accepted Answer

A) True 
 B)False

Question 11

Wave refraction results in

Accepted Answer

A)   wave energy concentrating in bays.
B)   wave energy decreasing in bays.
C)   wave energy focusing on headlands.
D)   wave energy concentrating in bays and wave energy focusing on headlands.
E)   wave energy decreasing in bays and wave energy focusing on headlands.F) C) and D)
G) A) and D)

Question 12

The restoring force of a capillary wave is gravity.

Accepted Answer

A) True 
 B)False

Question 13

Swell is more regular than waves in the wind-generated area because

Accepted Answer

A)   waves have been sorted by dispersion.
B)   some small waves have been damped out by friction.
C)   packets of swell are all at the same depth at the same time.
D)   waves have been sorted by dispersion and some small waves have been damped out by friction.
E)   waves have been sorted by dispersion, some small waves have been damped out by friction, and packets of swell are all at the same depth at the same time.F) B) and E)
G) C) and E)

Question 14

The average energy of a wave is determined by the wave's

Accepted Answer

A)   speed.
B)   length.
C)   period.
D)   All of these are correct.
E)   None of these are correct.F) A) and D)
G) B) and D)

Question 15

Typical wavelength of a tsunami is

Accepted Answer

A)   1 to 2m.
B)   10 to 20m.
C)   100 to 200m.
D)   100 to 200km.
E)   1000 to 2000km.F) A) and D)
G) B) and D)

Question 16

Wind waves in the open sea have wavelengths and speeds that are defined by the wave period.

Accepted Answer

A) True 
 B)False

Question 17

Two different wave groups with the same height travel together in the same direction. The wavelength of one group is twice as long as the wavelength of the other group. A combined wave of extra height will be produced

Accepted Answer

A)   every wave.
B)   every other wave.
C)   every third wave.
D)   every fifth wave.
E)   every seventh wave.F) All of the above
G) A) and C)

Question 18

The wave frequency is the time it takes for two subsequent wave crests to pass a location.

Accepted Answer

A) True 
 B)False

Question 19

Water transported shoreward in the surf zone is returned seaward by

Accepted Answer

A)   shallow water waves.
B)   reflected waves.
C)   refracted waves.
D)   rip currents.
E)   internal waves.F) C) and D)
G) A) and B)

Question 20

Internal waves are always standing waves.

Accepted Answer

A) True 
 B)False

Exam 8: The Waves

The wave frequency is the time it takes for two subsequent wave crests to pass a location.

Correct AnswerverifiedShow Answer

Waves moving against a current will

Correct AnswerverifiedShow Answer

When water depth is between L/2 and L/20, the wave speed is constant.

Correct AnswerverifiedShow Answer

Wind waves in the open sea have wavelengths and speeds that are defined by the wave period.

Correct AnswerverifiedShow Answer

Swell is more regular than waves in the wind-generated area because

Correct AnswerverifiedShow Answer

Water particles in shallow-water waves move in ________ orbits.

Correct AnswerverifiedShow Answer

The average energy of a wave is related to the square of its

Correct AnswerverifiedShow Answer

Because of dispersion the distribution of waves from a single storm changes with time and distance from the storm center.

Correct AnswerverifiedShow Answer

Waves that form beneath the surface on the pycnocline are called ________ waves.

Correct AnswerverifiedShow Answer

Typical wavelength of a tsunami is

Correct AnswerverifiedShow Answer

Internal waves are faster and have shorter periods than most wind waves.

Correct AnswerverifiedShow Answer

The average energy of a wave is determined by the wave's

Correct AnswerverifiedShow Answer

Wave refraction results in

Correct AnswerverifiedShow Answer

Water transported shoreward in the surf zone is returned seaward by

Correct AnswerverifiedShow Answer

The restoring force of a capillary wave is gravity.

Correct AnswerverifiedShow Answer

Internal waves are always standing waves.

Correct AnswerverifiedShow Answer

The speed of a shallow water wave changes with depth, but the length of a wave does not change.

Correct AnswerverifiedShow Answer

There is no vertical motion at the antinode of a standing wave.

Correct AnswerverifiedShow Answer

Two different wave groups with the same height travel together in the same direction. The wavelength of one group is twice as long as the wavelength of the other group. A combined wave of extra height will be produced

Correct AnswerverifiedShow Answer

There are three antinodes in a double node standing wave.

Correct AnswerverifiedShow Answer

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