science
Grade-4-
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:
The distance between two waves.
The correct answer is: Wavelength
- Wavelength is the distance between identical points on a wave.
- It is the distance between two crest or two trough.
- So, the correct option is b.
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