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Option 3 : Both A and B are true

The correct answer is option 3, i.e Both A and B are true.

  • The speed of sound depends on the properties of the medium through which it travels.
  • The speed of sound in a medium depends on the temperature, density of the medium. The speed of sound decreases when we go from solid to the gaseous state. 
  • In any medium, as we increase the temperature the speed of sound increases.
  • Speed of sound in different media at 25 ºC.

 

SUBSTANCE SPEED IN m/s
Water (sea) 1531 m/s
Water (distilled) 1498 m/s
Ethanol 1203 m/s
Methanol 1107 m/s
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