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In Young’s double slit experiment the distance between the slits and the screen is doubled. The separation between the slits is reduces to half. As a result the fringe width
Options
(a) is doubled
(b) is halved
(c) becomes four times
(d) remains unchanged
Correct Answer:
becomes four times
Explanation:
Fringe width β = Dλ/d;
From qn D’ = 2D and d’ = d/2
β’ = λD¹ / d¹ = 4β
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Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The condition under which a microwave oven heats up a food item containing
- A parallel plate capacitor with air between the plates has a capacitance of 9 pF.
- An alternating electric field, of frequency v, is applied across the dees (radius = R)
- At a metro station, a girl walks up a stationary escalator in time t₁
- An electron in potentiometer experiences a force 2.4×10⁻¹⁹N. The length of potentiometer
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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