Which of the following figure represents the variation of particle momentum and the associated de-Broglie wavelength
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(a)
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(b)
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(c)
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(d)
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Question types
Electron, Photon, Photoelectric Effect and X-Rays question types
463 questions across 1 question group — pick any mix to generate a Physics paper with step-by-step answer keys.
463
Questions
1
Question groups
5
Question types
Sample Questions
Electron, Photon, Photoelectric Effect and X-Rays questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
The stopping potential (
versus frequency (n) plot of a substance is shown in figure the threshold wave length is
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(a) 5 |
(b) 6000Å |
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(c) 5000 Å |
(d) Can not be estimated from given data |
A proton, a deutron and an a-particle having the same momentum, enters a region of uniform electric field between the parallel plates of a capacitor. The electric field is perpendicular to the initial path of the particles. Then the ratio of deflections suffered by them is
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(a) 1 : 2 : 8 |
(b) 1 : 2 : 4 |
(c) 1 : 1 : 2 |
(d) None of these |
The graph that correctly represents the relation of frequency n of a particular characteristic X-ray with the atomic number Z of the material is
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(a)
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(b)
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(c)
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(d)
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The curve between current (i) and potential difference (V) for a photo cell will be
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(a)
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(b)
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(c)
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(d)
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