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Waves with long wave lengths travel the fastest. Prove why the statement is wrong.

Waves with long wave lengths travel the fastest.


Prove why the statement is wrong.
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Answer #1

The given statement is wrong.

We know wavelength of a wave is inversely related to frequency. This means when frequency is more, wavelength will be shorted or vice versa.

Now, frequency is number of cycles / oscillations / vibrations per second

A wave which is vibrating at 100 cycles / sec has much more energy than a wave at 50 cycles /sec

More energy means more frequency and shorted wavelength.

This means waves with longer wavelength travel slower because they have less energy.

In actual, the only reason red light is able to travel long distances is because it spends very less energy to travel.

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