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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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Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In an a.c circuit the e.m.f. (e) and the current (i) at any instant are given
- A parallel plate capacitor has 91 plates, all are identical and arranged with same
- A plane polarised light is incident normally on a tourmaline plate. Its E vector make
- A proton beam enters a magnetic field of 10⁻⁴ Wb/m² normally. If the specific charge
- When light of wavelength 300 nm falls on a photoelectric emitter,
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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