Question

4. The unit of sound has been named after the famous scientist

_____________.


5. If the pendulum makes 10 oscillations in a second , its

frequency will be_________.


6. Sound cannot travel through ___________.


7. The maximum distance which a pendulum covers away from its initial position is called_____________.


8. Frequency is measured in ____________.


9. On Moon, since there is no atmosphere sound ________ be

heard.


10. Excessive unwanted sounds produce ________

pollution.​

Answer 1

Answer:

5. 10

6. vacuum

7. amplitude

8. Hz

9. cannot

10. noise

Answer 2

Answer:

4. HEINRICH RUDOLF HERTZ

5. no. of oscillation in a second=10

time taken =1 sec

frequency=10/1=10 hertz

6. vacuum

7. amplitude

8. hertz

9.there's no atmosphere, so there's no medium for sound to propagate through.

10. noise

Explanation: