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
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