Echo of Sound MCQ: App Download & e-Book PDF
Class 10 Physics Online Tests
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The MCQ: To communicate with each other, Elephants use; "Echo of Sound" App Download [Free] with answers: low frequency sound waves, low frequency light waves, high frequency sound waves, and low frequency heat waves for online certificate programs. Solve Sound Quiz Questions, download Apple eBook (Free Sample) for school certificate.
To communicate with each other, Elephants use
When sound is incident on the surface of a medium it bounces back into the first medium. The phenomenon is called
The total distance covered by the sound from the point of generation to the reflecting surface and back should be at least
For hearing distinct echoes, the minimum distance of the obstacle from the source of sound must be
Echoes may be heard more than once due to successive or multiple reflections
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