Question

. State whether the following statement True (T) or False (F).
1. Sound travels faster through air than through water.
2. Sound can be produced by beating
produced or not.
3. The number of oscillations per second of a vibrating object is called its time period
4. Noise pollution may cause partial hearing impairment.
5. Dolphins have an unusual ability of sensing low pitch sound.
6. The sound waves are collected by pinna.​

Answer 1

1. False
2. True
3. True
4. True
5. True
6. True