Physics
Grade-8
Easy
Question
What does the length of the red line represent in the picture of the sound wave shown below?
- Frequency
- Wavelength
- Amplitude
- Quality
Hint:
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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