science
Grade-4-
Easy
Question
In the given figure, which parameter of the wave is not changing?
- Frequency and amplitude
- Frequency and wavelength
- Wavelength and amplitude
- The wavelength, amplitude, and frequency
Hint:
Amplitude is different for all the given waves.
The correct answer is: Frequency and wavelength
- Frequency is the number of waves passing per second.
- Wavelength is the distance between two consecutive crests or troughs.
- Amplitude is the maximum displacement of a point from its mean position.
- Wavelength and frequency is same for all the given waves.
- But amplitude is different for all.
- So, the correct option is b.
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