In a Young's double-slit interference experim | vedclass

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(C) When a thin mica sheet is placed in the path of one of the beams,the optical path length changes,causing a phase shift. The fringe width $\beta =

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The fringe width remains unchanged,but the fringes shift.

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(C) When a thin mica sheet is placed in the path of one of the beams,the optical path length changes,causing a phase shift. The fringe width $\beta = \frac{\lambda D}{d}$ depends only on the wavelength $\lambda$,the distance between slits $d$,and the distance to the screen $D$. Since these parameters remain constant,the fringe width remains unchanged. However,the entire interference pattern shifts towards the side where the mica sheet is placed.

In a Young's double-slit interference experiment,a monochromatic beam of light is used to form fringes on a screen. When a thin mica sheet is placed in the path of one of the interfering beams,then...

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