6. When a transverse wave passes through water, water molecules are displaced

temporarily in a direction perpendicular to the wave

permanently in the direction of the wave motion.

permanently in a direction perpendicular to the wave.

temporarily in the direction of the wave motion.

Exam 7 PreAP Numbers 6-10

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Questions and Answers

1.

6. When a transverse wave passes through water, water molecules are displaced
- A.
  
  Permanently in the direction of the wave motion.
- B.
  
  Permanently in a direction perpendicular to the wave.
- C.
  
  Temporarily in the direction of the wave motion.
- D.
  
  Temporarily in a direction perpendicular to the wave
Correct Answer
D. Temporarily in a direction perpendicular to the wave

Explanation
When a transverse wave passes through water, the water molecules are temporarily displaced in a direction perpendicular to the wave. This means that as the wave travels through the water, the water molecules move up and down or side to side, but they eventually return to their original position once the wave has passed. This temporary displacement of the water molecules is what allows the wave to propagate through the water.

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2.

7. The distance between two troughs of a transverse wave is the wave’s
- A.
  
  Amplitude
- B.
  
  Wavelength.
- C.
  
  Frequency.
- D.
  
  Rarefaction.
Correct Answer
B. Wavelength.

Explanation
The distance between two troughs of a transverse wave is known as the wavelength. Wavelength is a characteristic of a wave that represents the distance between two corresponding points on the wave, such as two troughs or two crests. It is usually measured in meters or other units of length. The amplitude of a wave refers to the maximum displacement of particles in the medium from their equilibrium position, while frequency represents the number of complete wave cycles that pass a given point in one second. Rarefaction, on the other hand, refers to the reduction in density and pressure of a medium, often occurring in longitudinal waves.

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3.

8. The distance between two rarefactions of a longitudinal wave is the wave’s
- A.
  
  Amplitude.
- B.
  
  Wavelength.
- C.
  
  Frequency.
- D.
  
  Trough.
Correct Answer
B. Wavelength.

Explanation
The distance between two rarefactions of a longitudinal wave refers to the wavelength. Wavelength is defined as the distance between two consecutive points in a wave that are in phase, such as two rarefactions or two compressions. Amplitude, on the other hand, represents the maximum displacement of a particle from its equilibrium position in a wave. Frequency refers to the number of complete cycles or vibrations of a wave that occur in one second. Trough, on the other hand, represents the lowest point of a wave.

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4.

9. A wave travels through a medium. As the wave passes, the particles of the medium vibrate in a direction perpendicular to the direction of the wave’s motion. The wave is
- A.
  
  Longitudinal.
- B.
  
  Electromagnetic.
- C.
  
  A pulse.
- D.
  
  Transverse
Correct Answer
D. Transverse

Explanation
The given information states that as the wave passes through a medium, the particles of the medium vibrate in a direction perpendicular to the direction of the wave's motion. This is a characteristic of transverse waves, where the motion of the particles is perpendicular to the direction of energy transfer. Therefore, the correct answer is transverse.

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5.

10. Each compression in the waveform of the longitudinal wave shown above corresponds to what feature of the transverse wave below it?
- A.
  
  Wavelength
- B.
  
  Troughs
- C.
  
  Crests
- D.
  
  Amplitude
Correct Answer
C. Crests

Explanation
Each compression in the waveform of the longitudinal wave corresponds to the crests of the transverse wave below it. In a longitudinal wave, compressions are regions where the particles are closest together, while rarefactions are regions where the particles are farthest apart. In a transverse wave, the crests are the highest points or peaks of the wave. Therefore, the crests of the transverse wave align with the compressions of the longitudinal wave.

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Current Version
Mar 20, 2023

Quiz Edited by
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Nov 18, 2015

Quiz Created by
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Exam 7 Preap Numbers 6-10

6. When a transverse wave passes through water, water molecules are displaced

7. The distance between two troughs of a transverse wave is the wave’s

8. The distance between two rarefactions of a longitudinal wave is the wave’s

9. A wave travels through a medium. As the wave passes, the particles of the medium vibrate in a direction perpendicular to the direction of the wave’s motion. The wave is

10. Each compression in the waveform of the longitudinal wave shown above corresponds to what feature of the transverse wave below it?