Sound-Sample Papers

1.   What are the causes of noise pollution? (1)

2.   Define musical sound? (1)

3.   Which part of ear vibrates to produce sound? (1)

4.   Define ultra and infrasonic sounds. (2)

5.   What is the relation between loudness and amplitude of sound? (2)

6.   Write some applications of ultrasound in daily life. (4)

7.   How is the sound propagated? (2)

8.   Write any four sources of noise (4)

9.   What is the outer part of ear called? (1)

10.   Explain with the help of activity that vibrating bodies produce sound. (2)