In the arrangement shown, a screen is placed normal to the line joining the two point coherent sources S_(1) and S_(2). The interference pattern consist of concentric circles. lambda is the wavelength of light (D gt gt d). The radius of the n^(th) bright ring is

In the arrangement shown, a screen is placed normal to the line joinin

1.	In the arrangement shown, a screen is placed normal to the line joining the two point coherent sources S_(1) and S_(2). The interference pattern consist of concentric circles. lambda is the wavelength of light (D gt gt d). The radius of the n^(th) bright ring is
Answer» `(N LAMBDA D)/(d)` `(1-(n lambda D)/(d))` `Dsqrt(1-(n lambda)/(d))` `Dsqrt(2(1-(n lambda)/(d)))` ANSWER :D

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In the arrangement shown, a screen is placed normal to the line joining the two point coherent sources S_(1) and S_(2). The interference pattern consist of concentric circles. lambda is the wavelength of light (D gt gt d). The radius of the n^(th) bright ring is

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