Question

1. Sound cannot travel through----------
2. Speed of sound in dry air at 20°C is
3. Speed of sound is maximum in------------ medium.
4. Frequency of periodic time 0.005 sceond is
5. The pitch of sound depends on its
​

Answer 1

Answer:

1) Vaccum

2) 343m/ sec

3) Solid

4) 200Hz

5) Frequency

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