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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
- An electron in the hydrogen atom jumps from excited state n to the ground state
- Surface tension of a solution is 30 x 10⁻² N/m. The radius of the soap bubble is 5 cm
- A bullet of mass m moving with velocity v strikes a block of mass M at rests
- The current in a conductor varies with time t as I=2t+3t² Where I is in amperes
- A coil of self-inductance L is connected in series with a bulb B and an AC source
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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