RE-NEET2024Physics-Wave Optics

RE-NEET 2024 Physics Young's Double Slit Experiment MCQ Question

Type: MCQ-numerical-Medium-Class 12

Two slits in Young’s double slit experiment are 1.5 mm apart and the screen is placed at a distance of 1 m from the slits. If the wavelength of light used is 600 × 10⁻⁹ m then the fringe separation is

A

4 × 10⁻⁵ m

B

9 × 10⁻⁸ m

C

4 × 10⁻⁷ m

D

4 × 10⁻⁴ m

Correct Answer

Option A

Detailed Explanation

Fringe separation is calculated using the formula β = λD/d. Substituting the given values gives 4 × 10⁻⁵ m.

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