Physics · Wave Optics

JEE Main 2025 — 22 January, Evening Shift — Question 58

Given below are two statements. On is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A) : In Young's double slit experiment, the fringes produced by red light are closer as compared to those produced by blue light.

Reason (R) : The fringe width is directly proportional to the wavelength of light.

In the light of above statements, choose the correct answer from the options given below :

  1. Option A:

    Both (A) and (R) are true and (R) is the correct explanation of (A)

  2. Option B:

    (A) is false but (R) is true

    Correct
  3. Option C:

    Both (A) and (R) are true but (R) is NOT the correct explanation of (A)

  4. Option D:

    (A) is true but ( R\mathbf{R} ) is false

Answer: B

Step-by-step solution

Conceptual

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Exam
JEE Main 2025
Subject
Physics
Chapter
Wave Optics
Topic
Young's Double Slit Experiment and Its Modifications
Given below are two statements. On is labelled as Assertion (A) and… | JEE Main 2025 PYQ with Solution · DhiX AI