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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