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CBSE /Class 9
Science MCQ Based On Sound introduction
Our free online Science test quiz for Class 9, CBSE will assist you to improve your Science skills on every concept in a fun interactive way.
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CBSE Class 9 Science Sound introduction
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Speed can be defined as total distance divided by total time.
Frequency is defined as the number of waves produced in one second.
Sound waves can travel through a medium like solid, liquid or gas.
What is the common term for it?
use the formula of wavelength.
It produces sensation of hearing.
Sound is a longitudinal wave and a mechanical wave.
Read all the options carefully.
This region is created when a vibrating object moves backward.
When a vibrating object moves forward, it pushes and compresses the air in front of it.
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