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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
- Electric potential at any point is V= -5x +3y + √(15) z. Then the magnitude of electric
- A block of mass m is placed on a smooth wedge of inclination θ
- A car of mass 1000 kg negotiates a banked curve of radius 90 m on a frictionless
- A monoatomic gas is suddenly compressed to (1/8)th of its initial volume adiabatically.
- A vibrating string of certain length l under a tension T resonates with a mode
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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