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A parallel beam of fast moving electrons is incident normally on a narrow slit. A flourescent screen is placed at a large distance from the slit. If the speed of the electrons is increased, then which of the following statements is correct?
Options
(a) Diffraction pattern is not observed on the screen in the case of electrons
(b) The angular width of the central maximum of the diffraction pattern will increase
(c) The angular width of the central maximum will decrease
(d) The angular width of the central maximum will be unaffected
Correct Answer:
The angular width of the central maximum of the diffraction pattern will increase
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
- The potential of a large liquid drop when eight liquid drops are combined is 20 V.
- Two strings A and B, made of same material are stretched by same tension
- Two thin lenses when placed in contact, then the power of combination is +10 D.
- Certain quantity of water cools from 70⁰ C to 60⁰C in the first 5 minutes and to 54⁰C
- An LCR circuit contains resistance of 100 ohm and a supply of 200 volt at 300 radian
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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