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AP EAMCET202423 May 2024Morning ShiftPhysicsWave OpticsActual

Two light waves of intensities I and 21 superimpose on each other, If the path difference between the light waves reaching a point is 12.5 % of the wavelength of the light, then the resultant intensify at the point is (Both the light waves have same wavelength)

Options

  1. AI
  2. B9 I
  3. C3 I
  4. D5 I

Correct answer

D. 5 I

Step-by-step solution

For light waves, I ₁= I , I ₂=2 I , x = 12.5 100 = 8 Phase different, = 2 x= 2 8 = 4 aligned & I _ R = I ₁+ I ₂+2 I ₁ I ₂ & = I +2 I +2 ( I )(2 I ) 4 & =5 I aligned

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