CHAPTER-12 SOUND (SET-1)

Questions in this test

1. Which part of the human ear converts sound vibrations into electrical signals?
2. What do dolphins, bats and porpoises use
3. Children under the age of 5 hear upto
4. Reverberation of sound is used in
5. To hear a distinct echo each time interval between the original sound and the reflected sound must be-
6. If speed = v, wavelength = $\lambda$ and the frequencies =f of sound are related as
7. Speed of sound depends upon
8. We can distinguish between sound having same pitch and loudness, which characteristic is this?
9. Loud sound can travel a larger distance due to
10. A wave is slinky travelled to and fro in 5 sec the length of the slinky is 5m what is the velocity of the wave?