In Young's double slit experiment, if one of the slit is closed fully, what

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In Young's double slit experiment, if one of the slit is closed fully, what will be visible on the screen?

Options:

A . A slit-shaped bright spot

B . A YDSE interference pattern

C . A diffraction pattern

D . Nothing will be visible

Answer: Option C
:
C
If one of theslits is closed then YDSE interference fringes are not formed on the screen, so you might be tempted to say 'A slit-shaped bright spot' will beall that you can see on the screen, but no, think about what you just learnt, a fringe pattern is observed due to diffraction from the single slit that is open.

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