The intensity at the maximum in a Young's double slit experiment is $I$0. Distance between two slits is d = 5$\lambda $, where $\lambda $ is the wavelength of light used in the expreriment. What will be the intensity in front of one of the slits on the screen placed at a distance D = 10d ?

Question

The intensity at the maximum in a Young's double slit experiment is $I$₀. Distance between two slits is d = 5$\lambda $, where $\lambda $ is the wavelength of light used in the expreriment. What will be the intensity in front of one of the slits on the screen placed at a distance D = 10d ?

${3 \over 4}{I_0}$

${{{I_0}} \over 2}$

I₀

${{{I_0}} \over 4}$

Solution

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