STANDARD Physics Young's Double Slit Experiment MCQ Question
In Young's double slit experiment, the ratio of intensities of two coherent sources of light is 9 : 1. The intensities of the used light sources are in ratio
3 : 1
4 : 1
9 : 1
10 : 1
Correct Answer
Detailed Explanation
The intensity ratio is given by (A + B)²/(A - B)² = 9/1. Solving for A/B gives A/B = 2, which means the intensity ratio is 4:1.
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