Question 1

A wave breaks when

Accepted Answer

A)   h/L = 1/7.
B)   L/h = 1/7.
C)   h = 3m.
D)   L = 3m.
E)   L/h = 3/7.F) A) and B)
G) C) and D)

Question 2

The diameter of deep water wave orbits decrease with depth.

Accepted Answer

A) True 
 B)False

Question 3

Speed of shallow water waves is controlled by

Accepted Answer

A)   height.
B)   steepness.
C)   celerity.
D)   wavelength.
E)   water depth.F) A) and B)
G) B) and D)

Question 4

Water particle orbits for a shallow water wave are

Accepted Answer

A)   elliptic and flatten with depth.
B)   elliptic and enlarge with depth.
C)   circular and extend halfway to the seafloor.
D)   circular at the surface and elliptical at the sea floor.
E)   circular and extend to the seafloor.F) B) and E)
G) A) and E)

Question 5

If a surface water wave has a wavelength of 200m and a 5-second period, its speed is

Accepted Answer

A)   4000cm/sec.
B)   400cm/sec.
C)   40cm/sec.
D)   100m/sec.
E)   10m/sec.F) B) and E)
G) None of the above

Question 6

The speed of a shallow water wave varies with

Accepted Answer

A)   its height.
B)   the depth of the water.
C)   its steepness.
D)   its period.
E)   its amplitude.F) A) and C)
G) All of the above

Question 7

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.F) A) and E)
G) A) and D)

Question 8

A ________ is a wave generated by a submarine earthquake.

Accepted Answer

The answer of A ________ is a wave generated by...

Question 9

A tsunami, or seismic sea wave, travels at a speed determined by the size of the earthquake that forms it.

Accepted Answer

A) True 
 B)False

Question 10

The period of a wave never changes.

Accepted Answer

A) True 
 B)False

Question 11

The speed of a surface gravity wave is described by the

Accepted Answer

A)   wavelength times the period.
B)   wave period divided by wavelength.
C)   wavelength divided by wave period.
D)   square of the depth.
E)   Earth's gravity.F) A) and B)
G) A) and C)

Question 12

The restoring force for ________ waves is surface tension.

Accepted Answer

The answer of The restoring force for ________ waves is...

Question 13

In a closed basin, a single-node standing wave oscillation tends to have a wavelength that is ______ the basin length.

Accepted Answer

A)   one-quarter
B)   one-half
C)   the same as
D)   twice
E)   four timesF) B) and D)
G) B) and C)

Question 14

The speed of a shallow water wave is computed from

Accepted Answer

A)   C = the square root of gD.
B)   C2 = gL/2л.
C)   C2 = L/T.
D)   C = L × T.
E)   C = LT/g.F) A) and D)
G) B) and D)

Question 15

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

Accepted Answer

A) True 
 B)False

Question 16

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

Accepted Answer

A) True 
 B)False

Question 17

The diameter of wave orbitals increases with increasing depth.

Accepted Answer

A) True 
 B)False

Question 18

Waves that travel through each other tend to cancel each other out and cease to exist on the far side of the passing zone.

Accepted Answer

A) True 
 B)False

Question 19

The restoring force of a fully developed wind wave is

Accepted Answer

A)   gravity.
B)   solar heat.
C)   density.
D)   surface tension.
E)   viscosity.F) B) and D)
G) C) and E)

Question 20

Tsunami are always deep water waves.

Accepted Answer

A) True 
 B)False

Exam 8: The Waves

If a surface water wave has a wavelength of 200m and a 5-second period, its speed is

Correct AnswerverifiedShow Answer

Water particle orbits for a shallow water wave are

Correct AnswerverifiedShow Answer

The period of a wave never changes.

Correct AnswerverifiedShow Answer

Waves that travel through each other tend to cancel each other out and cease to exist on the far side of the passing zone.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Speed of shallow water waves is controlled by

Correct AnswerverifiedShow Answer

The restoring force for ________ waves is surface tension.

Correct AnswerverifiedShow Answer

The speed of a surface gravity wave is described by the

Correct AnswerverifiedShow Answer

The speed of a shallow water wave varies with

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

Correct AnswerverifiedShow Answer

The diameter of deep water wave orbits decrease with depth.

Correct AnswerverifiedShow Answer

The restoring force of a fully developed wind wave is

Correct AnswerverifiedShow Answer

The speed of a shallow water wave is computed from

Correct AnswerverifiedShow Answer

A tsunami, or seismic sea wave, travels at a speed determined by the size of the earthquake that forms it.

Correct AnswerverifiedShow Answer

In a closed basin, a single-node standing wave oscillation tends to have a wavelength that is ______ the basin length.

Correct AnswerverifiedShow Answer

A ________ is a wave generated by a submarine earthquake.

Correct AnswerverifiedShow Answer

The diameter of wave orbitals increases with increasing depth.

Correct AnswerverifiedShow Answer

Tsunami are always deep water waves.

Correct AnswerverifiedShow Answer

A wave breaks when

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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