NEET Physics Interference Match the Following Question
Match Column-I with Column-II.
| Column-I | Column-II |
|---|---|
| (a) Constructive Interference | (i) Intensity I = 4I0 |
| (b) Destructive Interference | (ii) Path difference = (n + 1/2)λ |
| (c) Coherent Sources | (iii) Fixed phase relationship |
| (d) Incoherent Sources | (iv) Intensity adds up |
a-i, b-ii, c-iii, d-iv
a-ii, b-i, c-iv, d-iii
a-i, b-iv, c-iii, d-ii
a-iii, b-ii, c-i, d-iv
Correct Answer
Detailed Explanation
Constructive interference occurs when the path difference is a multiple of the wavelength, resulting in maximum intensity I = 4I0. 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 have random phase relationships, causing intensities to simply add.
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