CBSE /Class 9
Science MCQ Based On Sound introduction
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CBSE Class 9 Science Sound introduction
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Frequency is defined as the number of waves produced in one second.
Sound is a longitudinal wave and a mechanical wave.
It produces sensation of hearing.
Sound waves can travel through a medium like solid, liquid or gas.
use the formula of wavelength.
What is the common term for it?
Read all the options carefully.
Speed can be defined as total distance divided by total time.
This region is created when a vibrating object moves backward.
What is the relation between speed, wavelength and frequency?
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