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Q: If a wave is moving at a constant speed and the wavelength is doubled what will happen to the frequency?

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Assuming that the wavelength remains constant, the velocity of the rope will also double if the frequency is doubled. This can be seen in the word equation below: speed = frequency x wavelength If we assume that wavelength is a constant...let wavelength = 1 speed = frequency therefore... 2 x frequency = 2 x speed

Whatever the wavelength and frequency happen to be, their product is always equal to the speed.

It will be cut in half since E=hf and frequency has an inverse relationship with wavelength (wavelength=v/f).

The frequency of a wave is inversly proportional to the wavelength of a wave. Therefore if the wavelength were to increase, the frequency of will decrease.

If the frequency stays the same, then the wavelength stays the same.

The wavelength would double.

Then the wavelength decreases.

This generally happens when a wave moves from one medium into another.Now, the velocity (v) of a wave (mechanical and electromagnetic) is equal to the product of its frequency (f) and wavelength (Î»).So, v = f x Î»That means if frequency is constant, the wavelength is directly proportional to the velocity.So, if the speed of the wave increases (while frequency remains the same), the wavelength will also increase.

the wave length will increase

There are several ways to calculate the frequency of light emitted or absorbed by different chemicals, and they depend on what you already know. For example, if you know the energy of the particle, then you can calculate frequency from E = planck's constant x frequency and solve for frequency. If you happen to know the wavelength, then you can use C = wavelength x frequency and solve for frequency (where C = speed of light).

It would change, depending on how much the frequency and the wavelength changes. It varies based on v = fλ.

That can't happen. The product of (frequency) times (wavelength) is always the wave's speed. There's no way to increase frequency without also decreasing the wavelength. If the wave happens to encounter a different medium ... like a sound hitting jello or a beam of light hitting air ... then its speed changes while the frequency remains constant, which means that the wavelength changes in the new medium.

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