If the speed of a wave decreases but the wavelength remains the same, what must be true of its frequency?

Biology

2 answers:

Murrr4er [49]3 years ago

8 0

Answer:

The frequency will Increase

ladessa [460]3 years ago

5 0

The frequency increases.

Here's an easy way to think about this. The wavelength is the distance from crest to crest, or trough to trough -- equivalently, it's the distance the wave travels in one period. This means that the speed of the wave is the wavelength divided by the period, or v=λTv=λT . But the frequency is just the reciprocal of the period, so v=λfv=λf. Clearly, if v increases and the frequency stays the same, the wavelength must increase by an equivalent factor.

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