Question

II. Write true (T) or false (F).
1.
Sound can easily travel through vacuum.
2.
Sound cannot travel through a mixture of gases.
3. Noise pollution poses great health risks.
The greater the amplitude, the louder is the sound.
5. The lower the frequency of vibration, the higher is the pitch
6.
The SI unit of time period is second.​

Answer 1

Answer:

1. false

2. false

3.true

5.true

6. true

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