NEET Physics Interference Match the Following Question
Match Column-I with Column-II.
Column-I Column-II (a) Bright fringe condition (i) S1P ~ S2P = (n + 1/2)λ (b) Destructive interference (ii) Resultant intensity = 4I0 (c) Path difference for bright fringe (iii) xd = nλ (d) Coherent sources requirement (iv) Waves maintain a constant phase relationship
Choose the correct matching:
a-ii, b-i, c-iii, d-iv
a-ii, b-iv, c-i, d-iii
a-iii, b-ii, c-i, d-iv
a-ii, b-iii, c-iv, d-i
Correct Answer
Detailed Explanation
The bright fringe condition occurs when the path difference is a multiple of the wavelength (xd = nλ), leading to maximum intensity (I = 4I0). Destructive interference occurs when the path difference is an odd multiple of half the wavelength (S1P ~ S2P = (n + 1/2)λ). Coherent sources must maintain a constant phase relationship to create a stable interference pattern.
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