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For a parallel beam of monochromatic light of wavelength λ diffraction is produced by a single slit whose width a is of the order of the wavelength of the light. If D is the distance of the screen from the slit, the width of the central maxima will be
Options
(a) 2Dλ/a
(b) Dλ/a
(c) Da/λ
(d) 2Da/λ
Correct Answer:
2Dλ/a
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A thin convex lens of refractive index 1.5 has 20 cm focal length in air. If the lens
- IF A⃗ and B⃗ are two vectors and θ is the angle between them
- 180⁰ phase difference is obtained when light ray is reflected from
- Four cells, each of emf E and internal resistance r, are connected in series across
- The magnetic flux linked with a circuit of resistance 100Ω increases from 10 to 60 Wb.
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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