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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
- Efficiency of a Carnot engine is 50% when temperature of sink is 500K. In order
- The S.I. unit of radioactivity is
- The dimensions of Planck’s constant is same as that of
- A light of wavelength 5000Å falls on a sensitive plate with photoelectric work
- If two slits in Young’s experiment are 0.4 mm apart and fringe width on a screen
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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