Physics
Grade-8
Easy
Question
Infrasound have more ____________.
- Amplitude
- Wavelength
- Frequency
- None
Hint:
Frequency and wavelength are inversely proportional to each other.
The correct answer is: Wavelength
- Wavelength and frequency are inversely proportional to each other.
- Infrasound has frequencies less than 20Hz.
- Therefore they have more wavelength.
- So, the correct option is b.
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