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science

Grade-4-

Easy

Question

Which of the following waves shows the lowest wavelength?

hint Hint:

Frequency and wavelength are inversely proportional.

The correct answer is:

Method -1

Wavelength is the distance between two crest or two trough.

It is highest for wave -3 but lowest for wave -1.

Method -2

Frequency and wavelength are inversely proportional to each other.

Higher the frequency, low will be the wavelength.

So, the correct option is a.

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