What does one observe on the screen in a Young\'s experiment if white light illu

Question

What does one observe on the screen in a Young's experiment if white light illuminates the double slit instead of light of a single wavelength?

Question 8 options:

1) a continuous band of colors with no dark fringes anywhere 2) a dark screen since no constructive interference can occur 3) a dark central fringe and a series of alternating white and dark fringes on each side of the center 4) a white central fringe and no other fringes 5) a white central fringe and a series of colored and dark fringes on each side of the center

Explanation / Answer

option 5 is correct

white light is combination of seven colors. when it strikes on slit, Interference occure according to wavelength of these lights. so we have a bright fringe in middle and colored and dark fringes each side in order VIBGYOR.

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