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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
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If the alternating current I=I₁ cosωt+I₂ sinωt, then the rms current is given by
- Two cars A and B moving with same speed of 45 km/hr along same direction.
- In an LCR series A.C circuit, the voltage across each of the components, L, C and R is 50V
- In the equation y=asin(?t+kx),the dimensionals formula of ? is
- A bullet is shot from a riffle. As a result the rifle recoils.The kinetic energy of riffle
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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