Question 1

Which of the following features of a wave may change during its existence?

Accepted Answer

A)  Height and speed 
B)  Period 
C)  Speed 
D)  Height 
E)  Wavelength 
A)  Height and speed 
B)  Period 
C)  Speed 
D)  Height 
E)  Wavelength A

Question 2

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  True

Question 3

The refraction of waves tends to concentrate wave energy ________ and disperse energy ________.

Accepted Answer

A)  in bays; on headlands 
B)  on headlands; in bays 
C)  along coasts; behind breakwaters 
D)  along coasts; on headlands 
E)  along coasts; in bays 
A)  in bays; on headlands 
B)  on headlands; in bays 
C)  along coasts; behind breakwaters 
D)  along coasts; on headlands 
E)  along coasts; in bays B

Question 4

As a wave moves to shallower water it stops being a deep-water wave when the depth equals (where L = wavelength) ________.

Accepted Answer

A)  L/0.2 
B)  L/2 
C)  L/20 
D)  L/200 
E)  L/g 
A)  L/0.2 
B)  L/2 
C)  L/20 
D)  L/200 
E)  L/g

Question 5

Wave height of wind waves depends on ________.

Accepted Answer

A)  wavelength 
B)  wind speed and duration 
C)  fetch 
D)  wavelength and wind speed and duration 
E)  wind speed and duration and fetch 
A)  wavelength 
B)  wind speed and duration 
C)  fetch 
D)  wavelength and wind speed and duration 
E)  wind speed and duration and fetch

Question 6

There are three antinodes in a double-node standing wave.

Accepted Answer

A) True 
 B)False

Question 7

The fetch of a moving storm system ________ on the side of the storm where the wind is blowing in the ________ direction as the storm is moving.

Accepted Answer

A)  decreases; same 
B)  decreases; opposite 
C)  increases; same 
D)  increases; opposite 
E)  Both decreases; opposite and increases; same are correct 
A)  decreases; same 
B)  decreases; opposite 
C)  increases; same 
D)  increases; opposite 
E)  Both decreases; opposite and increases; same are correct

Question 8

Constructive interference between waves increases the height of the resulting wave.

Accepted Answer

A) True 
 B)False

Question 9

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 is correct. 
A)  increase their height 
B)  decrease their speed 
C)  shorten their wavelength 
D)  All of these are correct. 
E)  None of these is correct.

Question 10

A 10 m long wave will have elliptical orbits in water that are 50 m deep.

Accepted Answer

A) True 
 B)False

Question 11

Wavelength is the distance from the crest to the trough of the same wave.

Accepted Answer

A) True 
 B)False

Question 12

The restoring force of a fully developed wind wave is ________.

Accepted Answer

A)  gravity 
B)  solar heat 
C)  density 
D)  surface tension 
E)  viscosity 
A)  gravity 
B)  solar heat 
C)  density 
D)  surface tension 
E)  viscosity

Question 13

The period of a wave never changes.

Accepted Answer

A) True 
 B)False

Question 14

A tsunami is a shallow water wave.

Accepted Answer

A) True 
 B)False

Question 15

A deep-water wave is traveling with a speed of 13 m/s. Its wavelength is ________.

Accepted Answer

A)  130 m 
B)  108 m 
C)  13 m 
D)  8.3 m 
E)  1.3 m 
A)  130 m 
B)  108 m 
C)  13 m 
D)  8.3 m 
E)  1.3 m

Question 16

The restoring force of a capillary wave is gravity.

Accepted Answer

A) True 
 B)False

Question 17

A typical wavelength of a tsunami is ________.

Accepted Answer

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

Question 18

More than half of the tsunami warnings issued in the last 50 years have been false alarms.

Accepted Answer

A) True 
 B)False

Question 19

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

Accepted Answer

A) True 
 B)False

Question 20

In a standing wave, the positions where there is maximum vertical motion are called ________.

Accepted Answer

A)  antinodes 
B)  nodes 
C)  wave gaps 
D)  troughs 
E)  surges 
A)  antinodes 
B)  nodes 
C)  wave gaps 
D)  troughs 
E)  surges

Which of the following features of a wave may change during its existence?

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

The refraction of waves tends to concentrate wave energy and disperse energy .

As a wave moves to shallower water it stops being a deep-water wave when the depth equals (where L = wavelength) ________.

Wave height of wind waves depends on ________.

There are three antinodes in a double-node standing wave.

The fetch of a moving storm system on the side of the storm where the wind is blowing in the direction as the storm is moving.

Constructive interference between waves increases the height of the resulting wave.

Waves moving against a current will ________.

A 10 m long wave will have elliptical orbits in water that are 50 m deep.

Wavelength is the distance from the crest to the trough of the same wave.

The restoring force of a fully developed wind wave is ________.

The period of a wave never changes.

A tsunami is a shallow water wave.

A deep-water wave is traveling with a speed of 13 m/s. Its wavelength is ________.

The restoring force of a capillary wave is gravity.

A typical wavelength of a tsunami is ________.

More than half of the tsunami warnings issued in the last 50 years have been false alarms.

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

In a standing wave, the positions where there is maximum vertical motion are called ________.

The Water Planet

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The Physical Properties of Water

The Chemistry of Seawater

The Atmosphere and the Oceans

Ocean Structure and Circulation

The Tides

Coasts, Beaches, and Estuaries

The Living Ocean

The Plankton, Productivity, and Food Webs

The Nekton: Swimmers of the Sea

The Benthos: Living on the Sea Floor

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Exam 8: The Waves

Which of the following features of a wave may change during its existence?

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

The refraction of waves tends to concentrate wave energy ________ and disperse energy ________.

As a wave moves to shallower water it stops being a deep-water wave when the depth equals (where L = wavelength) ________.

Wave height of wind waves depends on ________.

There are three antinodes in a double-node standing wave.

The fetch of a moving storm system ________ on the side of the storm where the wind is blowing in the ________ direction as the storm is moving.

Constructive interference between waves increases the height of the resulting wave.

Waves moving against a current will ________.

A 10 m long wave will have elliptical orbits in water that are 50 m deep.

Wavelength is the distance from the crest to the trough of the same wave.

The restoring force of a fully developed wind wave is ________.

The period of a wave never changes.

A tsunami is a shallow water wave.

A deep-water wave is traveling with a speed of 13 m/s. Its wavelength is ________.

The restoring force of a capillary wave is gravity.

A typical wavelength of a tsunami is ________.

More than half of the tsunami warnings issued in the last 50 years have been false alarms.

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

In a standing wave, the positions where there is maximum vertical motion are called ________.

The Water Planet

Earth Structure and Plate Tectonics

The Sea Floor and Its Sediments

The Physical Properties of Water

The Chemistry of Seawater

The Atmosphere and the Oceans

Ocean Structure and Circulation

The Tides

Coasts, Beaches, and Estuaries

The Living Ocean

The Plankton, Productivity, and Food Webs

The Nekton: Swimmers of the Sea

The Benthos: Living on the Sea Floor

Environmental Issues

The Oceans and Climate Disruption

Filters

The refraction of waves tends to concentrate wave energy and disperse energy .

The fetch of a moving storm system on the side of the storm where the wind is blowing in the direction as the storm is moving.