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Light of wavelength λ is incident on slit of width d. The resulting diffraction pattern is observed on a screen placed at distance D. The linear width of central maximum is equal to width of the slit, then D=……….
Options
(a) 2 λ²/d
(b) d²/2λ
(c) d/λ
(d) 2λ/d
Correct Answer:
d²/2λ
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
- 4.0 g of a gas occupies 22.4 litres at NTP. The specific heat capacity of the gas
- A short linear object of length L lies on the axis of a spherical mirror of focal
- The wavelength of first line of Balmer series is 6563Å. The wavelength of first line
- Two discs of same material and thickness have radii 0.2 m and 0.6 m.
- An electric dipole is placed at an angle 30°with an electric field intensity 2×10⁵N/C.
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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