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In an interference experiment, third bright fringe is obtained at a point on the screen with a light of 700 nm. What should be the wavelength of the light source in order to obtain 5th bright firnge at the same point?
Options
(a) 500 nm
(b) 630 nm
(c) 750 nm
(d) 420 nm
Correct Answer:
420 nm
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
- Before using the tangent galvanometer, its coil is set in
- A proton and helium nucleus are shot into a magnetic field at right angles to the field
- A 1kg stone at the end of 1 m long string is whirled in a vertical circle at constant speed
- An electron moving in a circular orbit of radius r makes n rotations per second.
- When a mass m is attached to a spring, it normally extends by 0.2 m.
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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