STANDARDPhysics-Wave Optics

STANDARD Physics Young's Double Slit Experiment MCQ Question

Type: MCQ-conceptual-Medium-Class 12

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

A

3 : 1

B

4 : 1

C

9 : 1

D

10 : 1

Correct Answer

Option B

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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