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  • Can someone explain Two periodic waves of intensities I1and I2pass through a region at the same time in the same direction. The sum of the maximum intensities is

Two periodic waves of intensities I1 and I2 pass through a region at the same time in the same direction. The sum of the maximum intensities is

  • Option 1)

    [\sqrt{I_{1}} - \sqrt{I_{2}}]^{2}

  • Option 2)

    2(I_{1} + I_{2})

  • Option 3)

    I_{1} + I_{2}

  • Option 4)

    [\sqrt{I_{1}} + \sqrt{I_{2}}]^{2}

 

Answers (1)

best_answer

I_{max}= I_{1}+ I_{2} + 2\sqrt{I_{1}I_{2}}

I_{min}= I_{1}+ I_{2} - 2\sqrt{I_{1}I_{2}}

sum of maximu and minimum intensities = 2\left ( I_{1}+ I_{2}\right )

 

Ratio of maximum and minimum intensity -

\frac{I_{max}}{I_{min}}=\left ( \frac{\sqrt{I_{1}}+\sqrt{I_{2}}}{\sqrt{I_{1}}-\sqrt{I_{2}}} \right )^{2}

-

 

 


Option 1)

[\sqrt{I_{1}} - \sqrt{I_{2}}]^{2}

This is incorrect

Option 2)

2(I_{1} + I_{2})

This is correct

Option 3)

I_{1} + I_{2}

This is incorrect

Option 4)

[\sqrt{I_{1}} + \sqrt{I_{2}}]^{2}

This is incorrect

Posted by

divya.saini

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