Physics-Interference
NEET Physics Interference MCQ Question
Type: MCQ-fact-Medium-Class 12
What condition leads to constructive interference in Young's double slit experiment?
A
Path difference is an integer multiple of the wavelength.
B
Path difference is a half-integer multiple of the wavelength.
C
Path difference is zero.
D
Path difference equals the wavelength divided by two.
Correct Answer
Option A
Detailed Explanation
Constructive interference occurs when the path difference between two coherent sources is equal to nλ, where n is an integer (0, 1, 2, ...). This is derived from the principle of superposition discussed in the context of interference.
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