Which is a condition for hearing sound?
There should be a vibrating body
There should be a material medium for propagation
There should be a receiver such as ear
All the above
Condition for hearing sound:-
Hence, option D will be correct.
(a) What is the upper limit of frequency of human hearing ?
(b) What is the lower limit of frequency of human hearing ?
(c) Name one animal which can produce ultrasonic sounds.
(d) Name two animals which can hear ultrasonic sounds.
State the condition for hearing a clear echo.
What are the conditions for echo generation? why do we not hear a sound echo in our bedroom?