Physics
Grade-8
Easy

Question

What does the length of the red line represent in the picture of the sound wave shown below? 

  1. Frequency
  2. Wavelength
  3. Amplitude
  4. Quality

hintHint:

Wavelength is denoted by the Greek letter lambda (λ).

The correct answer is: Wavelength


    • The distance between two successive crests or troughs of a wave is known as wavelength.
    • SI unit is meter.
    • So, the correct option is b.

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