Sound Test - 2...

Which part of human ear converts sound vibrations into electrical signals

What do dolphins, bats and porpoise use

Children under the age of 5 can hear upto

Reverberation of sound is used in

To hear a distinct echo each time interval between the original sound and the reflected sound must be:

Speed (v) abs wavelength ( �) and the frequency (v) of sound are related as

Speed of sound depends upon

Which characteristic is this? We can distinguish between sound having same pitch and loudness.

Loud sound can travel a larger distance, due to

A wave in slinky travelled two and fro in 5 sec the length of the slinky is 5m. What is the velocity of wave?