Wave Properties - Questions

Wave Properties

































The sound waves from an airplane directly overhead travel straight down toward the ground. The wavefronts of these sound waves are best described as

(A) vertical lines.
(B) horizontal surfaces.
(C) horizontal lines.
(D) vertical surfaces.

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The sound waves from an airplane directly overhead travel straight down toward the ground. The wavefronts of these sound waves are best described as

(A) vertical lines.
No. Sound wavefronts are 2-dimensional surfaces.

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The sound waves from an airplane directly overhead travel straight down toward the ground. The wavefronts of these sound waves are best described as

(B) horizontal surfaces.
Yes. --- Perpendicular to the direction of propagation.

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The sound waves from an airplane directly overhead travel straight down toward the ground. The wavefronts of these sound waves are best described as

(C) horizontal lines.
No. Sound wavefronts are 2 dimensional surfaces.

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The sound waves from an airplane directly overhead travel straight down toward the ground. The wavefronts of these sound waves are best described as

(D) vertical surfaces.
No. Wavefronts are perpendicular to the direction of propagation.

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The distance from one wavefront of a wave to the next is called the

(A) wave velocity.
(B) wavelength.
(C) amplitude.
(D) frequency.

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The distance from one wavefront of a wave to the next is called the

(A) wave velocity. --- No.
That would describe the wavefront's motion.

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The distance from one wavefront of a wave to the next is called the

(B) wavelength. --- Yes.

The distance over which the wave repeats.

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The distance from one wavefront of a wave to the next is called the

(C) amplitude. --- No.
That would be the difference between maximum and minimum values.

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The distance from one wavefront of a wave to the next is called the

(D) frequency. --- No.
That would be the number of wavefronts passing in one second.

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The number of waves which pass a given point in one second is called the

(A) wave velocity.
(B) amplitude.
(C) wavelength.
(D) frequency.

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The number of waves which pass a given point in one second is called the

(A) wave velocity. --- No.

That depends on the distance between wavefronts..

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The number of waves which pass a given point in one second is called the

(B) amplitude. --- No.

That would be the difference between highest and lowest values.

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The number of waves which pass a given point in one second is called the

(C) wavelength. --- No.

That measures the distance between wavefronts.

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The number of waves which pass a given point in one second is called the

(D) frequency. --- Yes.

It measures how frequently the waves pass by.

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If the wavelength of a wave increases by a factor of ten and its velocity stays the same, its frequency will be multiplied by a factor of

(A) 1. (B)10. (C) 0.1 (D) 0.01



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If the wavelength of a wave increases by a factor of ten and its velocity stays the same, its frequency will be multiplied by a factor of

(A) 1. --- No.

Longer waves take longer to go by.

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If the wavelength of a wave increases by a factor of ten and its velocity stays the same, its frequency will be multiplied by a factor of

(B)10. --- No.
With longer waves, you expect fewer to go by in one second.

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If the wavelength of a wave increases by a factor of ten and its velocity stays the same, its frequency will be multiplied by a factor of

(C) 0.1 --- Yes.
The product of wavelength and frequency stays the same.

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If the wavelength of a wave increases by a factor of ten and its velocity stays the same, its frequency will be multiplied by a factor of

(D) 0.01 --- No.

Nothing gets squared here. Sorry.

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