Easy MCQ +4 / -1 PYQ · JEE Mains 2021

The light waves from two coherent sources have same intensity I1 = I2 = I0. In interference pattern the intensity of light at minima is zero. What will be the intensity of light at maxima?

  1. A I<sub>0</sub>
  2. B 2 I<sub>0</sub>
  3. C 5 I<sub>0</sub>
  4. D 4 I<sub>0</sub> Correct answer

Solution

${I_{\max }} = {\left( {\sqrt {{I_1}} + \sqrt {{I_2}} } \right)^2}$<br><br>= 4 I<sub>0</sub>

About this question

Subject: Physics · Chapter: Optics · Topic: Reflection and Mirrors

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