# Physics MCAT Wave Chapter 6

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• 1.

### Waves is a transfer of momentum and energy via a medium

• A.

True

• B.

False

A. True
Explanation
Waves are indeed a transfer of momentum and energy via a medium. When a wave travels through a medium, it causes particles in the medium to vibrate, transferring energy and momentum from one particle to another. This transfer can occur in various types of waves, such as sound waves, water waves, and electromagnetic waves. Therefore, the statement "Waves is a transfer of momentum and energy via a medium" is true.

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• 2.

### Mechanical waves doesn't require a medium

• A.

True

• B.

False

B. False
Explanation
Mechanical waves do require a medium to propagate. This is because mechanical waves are disturbances that travel through a physical medium, such as air or water, by causing particles in the medium to vibrate. Without a medium, there would be no particles to vibrate and carry the wave energy. Therefore, the statement that mechanical waves don't require a medium is false.

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• 3.

### Transverse Wave

• A.

Is one which the medium is displaced perpendicular to the wave to direction of wave propagation, such as waves on a string.

• B.

Is one which the medium is displaced parellel to the wave to direction of wave propagation, such as waves on a string.

• C.

Is one which the medium is displaced perpendicular to the wave to direction of wave propagation, such as sound wave in air

• D.

Is one which the medium is displaced perpendicular to the wave to direction of wave propagation, such as sound wave in air

A. Is one which the medium is displaced perpendicular to the wave to direction of wave propagation, such as waves on a string.
Explanation
A transverse wave is a type of wave in which the particles of the medium are displaced perpendicular to the direction of wave propagation. This means that the particles move up and down or side to side as the wave passes through them. An example of a transverse wave is waves on a string, where the string moves up and down perpendicular to the direction of the wave.

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• 4.

### Longitudinal Wave

• A.

Is one which the medium is displaced perpendicular to the wave to direction of wave propagation, such as waves on a string.

• B.

Is one which the medium is displaced parellel to the wave to direction of wave propagation, such as waves on a string.

• C.

Is one which the medium is displaced perpendicular to the wave to direction of wave propagation, such as sound wave in air

• D.

Is one which the medium is displaced parellel to the wave to direction of wave propagation, such as sound wave in air

D. Is one which the medium is displaced parellel to the wave to direction of wave propagation, such as sound wave in air
Explanation
The correct answer is "is one which the medium is displaced parallel to the wave direction of wave propagation, such as sound wave in air." This means that in a longitudinal wave, the particles of the medium move back and forth in the same direction as the wave is traveling. This type of wave is commonly seen in sound waves, where the air particles vibrate parallel to the direction of the sound wave.

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• 5.

### Highest point:

peak
Explanation
The highest point is commonly referred to as a peak. This term is used to describe the topmost part of a mountain or any other elevated area. It signifies the highest elevation and is often used metaphorically to represent the pinnacle or climax of something. Therefore, "peak" is the correct answer to the question.

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