NEET Physics Interference Match the Following Question
Match Column-I with Column-II.
| Column-I | Column-II |
|---|---|
| (a) Constructive interference | (i) Path difference = (n + 1/2) λ |
| (b) Destructive interference | (ii) Resultant intensity = 4 I₀ |
| (c) Coherent sources | (iii) Phase relationship is fixed |
| (d) Incoherent sources | (iv) Phase changes rapidly with time |
a-ii, b-i, c-iii, d-iv
a-iii, b-ii, c-i, d-iv
a-i, b-ii, c-iv, d-iii
a-ii, b-iv, c-iii, d-i
Correct Answer
Detailed Explanation
Constructive interference occurs when the path difference is a multiple of the wavelength, resulting in maximum intensity (4 I₀). Destructive interference happens when the path difference is (n + 1/2) λ, leading to zero intensity. Coherent sources maintain a fixed phase relationship, while incoherent sources exhibit rapid phase changes.
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