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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 frequency of an alternating voltage is 50 cycles per second and its amplitude
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- In electromagnetic spectrum, the frequencies of γ-rays and x-rays and ultraviolet rays
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- A cockroach is moving with a velocity v in anticlockwise direction on the rim
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Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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