1 Answers
Option 1 : Only A is true
The correct answer is option 1 i.e Only A is true
- Sound is produced by vibrating objects.
- Medium: It is the matter or substance through which sound is transmitted.
- It can be solid, liquid or gas
- Speed of sound in a different medium at 25º C
| Metal/Non-metals | Speed |
| Aluminium | 6420 m/s |
| Nickel | 6040 m/s |
| Steel | 5960 m/s |
| Brass | 4700 m/s |
| Iron | 5950 m/s |
| Glass | 3980 m/s |
4 views
Answered