Question

State whether the following statements are True or False: (1) Sound can travel in vacuum. (2)Sound travels slower in iron as compared to air. (3) Audible sound has a frequency ranging between 20Hz to 200 KHz. (4) A higher frequency sound produces shrill sound. (5) Unpleasant sound is termed as music. (6) Sound travels in unidirection. (7) Time taken to produce one vibration is called time period.​

Answer 1

Answer

1) False

2) True

3) True

4) False

5) True

Answer 2

Answer:

1.False

2.False

3.True

4.True

5.False

6.False

7.False