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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
- Water rises in a vertical capillary tube up to a height of 2.0 cm.
- The moon’s radius is 1/ 4 that of the earth and its mass is 1 / 80 times that of the earth
- A layer of glycerine of thickness 1 mm present between a large surface area of 0.1 m².
- A spring balance is attached to the ceiling of a lift.A man hangs his bag on the spring
- The half life of radium is 1620 yr and its atomic weight is 226 kg per kilo mol.
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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