in young's two slit experiment a beam of light from a slit reaches at a point on the screen one wavelength behind the wave from the otherslit. what is observed on the screen at that point?



Answer :

Option A.  Dark fringe observed on the screen at that point

The double-slit experiment is an illustration that mild and count can display characteristics of each classically defined wave and particle; moreover, it presents the basically probabilistic nature of quantum mechanical phenomena.

Younger's experiment became primarily based on the speculation that if light were wave-like in nature, then it have to behave in a manner much like ripples or waves on a pond of water. wherein opposing water waves meet, they have to react in a particular manner to either toughen or damage every other.

for destructive interference

path difference = dx

dx = (m+1/2)*lambda

here path difference = 3/2 lambda

so here path difference is multiple of 1/2 so there is destructive interference

so there will be a dark fringe.

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Disclaimer:- your question is incomplete, please see below for the complete question.

in young's two-slit experiment a beam of light from a slit reaches at a point on the screen one wavelength behind the wave from the other slot. what is observed on the screen at that point?

A. Dark fringe

B. An empty space

C. Bright - dark fringe

D. Dark bright fringe

E. Bright fringe