If you double the frequency of sound, you also double which of the following?A) All of these.B) None of these.C) wavelength.D) amplitude.E) speed.

wavelength

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To answer this question, we first need to understand the different properties of sound waves.

Frequency refers to the number of wave cycles that occur per unit of time, usually measured in hertz (Hz). It represents how many times a sound wave repeats itself per second.

Wavelength, on the other hand, is the distance covered by one complete cycle of a sound wave. It is measured from one point on a wave to the corresponding point on the next wave. Wavelength is usually measured in meters (m) or any other unit of length.

Amplitude refers to the maximum displacement or distance moved by a particle in a sound wave from its original equilibrium position. In simpler terms, it represents the loudness or intensity of a sound wave.

Lastly, speed refers to the rate at which a sound wave travels through a medium, such as air, water, or solids. It is represented in meters per second (m/s).

Now, let's consider the question again:

"If you double the frequency of sound, you also double which of the following?"

The options are:
A) All of these.
B) None of these.
C) Wavelength.
D) Amplitude.
E) Speed.

If we double the frequency of a sound wave, it means the sound wave completes twice as many cycles in the same unit of time. Therefore, the answer is option C) Wavelength.

When frequency increases, wavelength decreases because more cycles are squeezed into the same amount of time. Wavelength and frequency are inversely proportional. This means that as one increases, the other decreases.

So, to get the answer to this question, we need to understand the relationship between frequency and wavelength in sound waves. By doubling the frequency, the wavelength is halved.