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Wave Optics

JEE Main level, single correct, medium

83 of 191

Question 83 of 191

The light waves from two coherent sources have same intensity ${I}_{1}={I}_{2}={I}_{0}.$ In interference pattern the intensity of light at minima is zero. What will be the intensity of light at maxima?

Show answer and solution

Answer: (C) $4{I}_{0}$

{I}_{minimum}=0

{\left(\sqrt{{I}_{1}}-\sqrt{{I}_{2}}\right)}^{2}=0

\Rightarrow {I}_{1}={I}_{2}

{I}_{\max }={\left(\sqrt{{I}_{1}}+\sqrt{{I}_{2}}\right)}^{2}=4{I}_{0}

JEE Main question paper PDF

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JEE Main 2025 Apr 2 Shift 1 question paper

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JEE Main Physics practice question on Wave Optics (Youngs Double Slit Experiment), with the answer and a step-by-step solution. Scan a question from your own book or paper to get a whiteboard video.

The light waves from two coherent sources have same intensity I1=I2=I0.{I}_{1}={I}_{2}={I}_{0}.I1​=I2​=I0​. In interference pattern the intensity of light at minima is zero. What will be the intensity of light at maxima?

JEE Main question paper PDF

More Physics practice

The light waves from two coherent sources have same intensity ${I}_{1}={I}_{2}={I}_{0}.$ In interference pattern the intensity of light at minima is zero. What will be the intensity of light at maxima?