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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
- During mean life of a radioactive element, the fraction that disintegrates is
- The velocity of radio-waves is 3×10⁵ km/s. The frequency corresponding to wavelength
- The young’s modulus of steel is twice that of brass. Two wires of same length
- A magnetic needle suspended parallel to a magnetic field requires √3J of work
- The de-Broglie wavelength of an electron moving with a velocity 1.5×10⁸ ms⁻¹ is equal
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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