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  • Help me please, If the pressure amplitude in a second wave is tripled, then the intensity of sound is increased by a factor of

If the pressure amplitude in a second wave is tripled, then the intensity of sound is increased by a factor of

  • Option 1)

    9

  • Option 2)

    3

  • Option 3)

    6

  • Option 4)

    \sqrt{3}

 

Answers (1)

best_answer

Intensity \alpha (Amplitude)2

 

Pressure Waves -

\Delta P= -\Delta P_{max}\cdot \cos \left ( Kx-\omega t \right )
 

- wherein

\Delta P_{max} = Maximum variation in pressure

 

 

 


Option 1)

9

This is correct.

Option 2)

3

This is incorrect.

Option 3)

6

This is incorrect.

Option 4)

\sqrt{3}

This is incorrect.

Posted by

divya.saini

View full answer

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