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In a Young's double slit experiment, usi...

In a Young's double slit experiment, using mono-chromatic light of wavelength `lambda`, the intensity of light at a point on the screen where the path defference is `lambda` is k units. Find the intensity at a point where the path difference is `lambda//3`.

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To solve the problem, we will follow these steps: ### Step 1: Understand the relationship between intensity and path difference In a Young's double slit experiment, the intensity \( I_R \) at a point on the screen can be expressed in terms of the phase difference \( \phi \) between the two waves arriving from the slits. The formula for intensity is given by: \[ I_R = I_1 + I_2 + 2\sqrt{I_1 I_2} \cos(\phi) \] ...
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