Question

Q3. State whether the following statements are true or false

5 MARKS

1. The lower the frequency of vibration the higher is the pitch

2. 20 Hz to 20,000 Hz is the audible range for human beings

3. Time period is the number of oscillations per seconds

4. Sound cannot travel in vacuum

5. The pitch of a female voice is higher than that of a male​

Answer 1

Answer:

the

5 MARKS

1. The lower the frequency of vibration the higher is the pitch is true

Answer 2

Answer:

1. false

2. true

3. false

4. true

5. true

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