First slide

Coherent sources and their importance in interference

Question

In Young's double slit experiment, if one of the slit is closed fully, then in the interference pattern

Easy

A

A bright slit will be observed, no interference pattern will exist
B

The bright fringes will become more bright
C

The bright fringes will become fainter
D

None of the above

Solution

If one of slit is closed then interference fringes are not formed on the screen but a fringe pattern is observed due to diffraction from slit.

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