Solve the following cross word with the help of the given clues:
Clues Across:
2. The bouncing back of sound wave when it strikes a hard surface.
4. Form of matter of fixed shape other than liquid or gas.
6. Maximum distance moved by a vibrating body form its position of rest. 8.Waves which need a material medium for its propagation.
10. A kind of raepid to and fro motion of an object.
Down:
1. A unit used to measure the loudness or intensity of sound.
3. Sound wave whose frequency is too high to be heard by humans.
5. Sound wave whose frequency is too low to be heard by humans.
7. A reflection of sound.
9. The branch of science deals with the study of seismic waves.
