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Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 27 - Wave Optics > Light of wavelength λ=5890Å fall on a double-slit arrangement having separation d=0.2mm. A thin lens of focal length f=1m is placed near the slits. The linear separation of fringes on a screen placed in the focal plane of the lens is

Light of wavelength λ=5890Å fall on a double-slit arrangement having separation d=0.2mm. A thin lens of focal length f=1m is placed near the slits. The linear separation of fringes on a screen placed in the focal plane of the lens is

In a YDSE with identical slits the intensity at the same point is the intensity of the central bright fringe is I0. If one of the slits is covered