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When one of the slits of Young’s experiment is covered with a transport sheet of thickness 4.8 mm, the central fringe shifts to a position originally occupied by the 30th bright fringe. What should be the thickness of the sheet if the central fringe has to shift to the position occupied by 20th bright fringe?
Options
(a) 3.8 mm
(b) 1.6 mm
(c) 7.6 mm
(d) 3.2 mm
Correct Answer:
3.2 mm
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 wheel has moment of inertia 5 x 10⁻³ kgm² and is making 20 revolutions per sec
- Steam at 100⁰C is passed into 20 g of water at 10°C. When water acquires a temperature
- Light of wavelength λᴀ and λᴃ falls on two identical metal plates A and B respectively.
- A parallel plate capacitor with air between the plates has a capacitance of 9 pF.
- A ray of light passes from a medium A having refractive index 1.6 to the medium
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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