Question

If the speed of light in a medium at a given temperature is 348m/s at a pressure of 2atm. Now the pressure is increased to 5 atm, temperature remaining constant. Now the speed of sound in the same medium will be:

• A. Less than 348m/s
• B. Greater than 348m/s
• C. Equal to 348m/s
• D. None of these

Answer 1

The correct option is C Equal to 348m/s

Speed of sound does not depend on pressure of the medium if temperature of medium remains constant. So the speed of sound will remain the same.