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A linear aperture whose width is 0.02 cm is placed immediately in front of a lens of focal length 60 cm. The aperture is illuminated normally by a parallel beam of wavelength 5×10⁻⁵ cm. The distance of the first dark band of the diffraction pattern from the centre of the screen is
Options
(a) 0.10 cm
(b) 0.25 cm
(c) 0.20 cm
(d) 0.15 cm
Correct Answer:
0.15 cm
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Magnetism of a magnet is due to
- The radius of gyration of a solid sphere of radius r about a certain axis is r
- The additional energy that should be given to an electron to reduce its de-Broglie
- An aeroplane is flying horizontally with a velocity of 216 km/h at a height of 1960 m.
- A car of mass 1000 kg negotiates a banked curve of radius 90 m on a frictionless
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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