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Physics
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In a Coolidge tube, electrons strike the target and stop inside it. Does the target get more and more negatively charged as time passes?

[8] Electromagnetic Waves
Chapter: [8] Electromagnetic Waves
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Can X-rays be used for photoelectric effect?

[8] Electromagnetic Waves
Chapter: [8] Electromagnetic Waves
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Can X-rays be polarised?

[8] Electromagnetic Waves
Chapter: [8] Electromagnetic Waves
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X-ray and visible light travel at the same speed in vacuum. Do they travel at the same speed in glass?

[8] Electromagnetic Waves
Chapter: [8] Electromagnetic Waves
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Characteristic X-rays may be used to identify the element from which they are being emitted. Can continuous X-rays be used for this purpose?

[8] Electromagnetic Waves
Chapter: [8] Electromagnetic Waves
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Is it possible that in a Coolidge tube characteristic Lα X-rays are emitted but not Kα X-rays?

[8] Electromagnetic Waves
Chapter: [8] Electromagnetic Waves
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Can Lα X-ray of one material have shorter wavelength than Kα X-ray of another?

[8] Electromagnetic Waves
Chapter: [8] Electromagnetic Waves
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Can a hydrogen atom emit characteristic X-rays?

[8] Electromagnetic Waves
Chapter: [8] Electromagnetic Waves
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Why is exposure to X-rays injurious to health but not exposure to visible light, when both are electromagnetic waves?

[8] Electromagnetic Waves
Chapter: [8] Electromagnetic Waves
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An X-ray beam can be deflected

[8] Electromagnetic Waves
Chapter: [8] Electromagnetic Waves
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Consider a photon of a continuous X-ray coming from a Coolidge tube. Its energy comes from

[8] Electromagnetic Waves
Chapter: [8] Electromagnetic Waves
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The energy of a photon of a characteristic X-ray from a Coolidge tube comes from

[8] Electromagnetic Waves
Chapter: [8] Electromagnetic Waves
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If the potential difference applied to the tube is doubled and the separation between the filament and the target is also doubled, the cutoff wavelength

[8] Electromagnetic Waves
Chapter: [8] Electromagnetic Waves
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If the current in the circuit for heating the filament is increased, the cutoff wavelength

[8] Electromagnetic Waves
Chapter: [8] Electromagnetic Waves
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Moseley's Law for characteristic X-ray is √v = a(Z − b). Here,

[8] Electromagnetic Waves
Chapter: [8] Electromagnetic Waves
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Frequencies of Kα X-rays of different materials are measured. Which one of the graphs in the figure may represent the relation between the frequency v and the atomic number ?

[8] Electromagnetic Waves
Chapter: [8] Electromagnetic Waves
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The X-ray beam emerging from an X-ray tube

[8] Electromagnetic Waves
Chapter: [8] Electromagnetic Waves
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One of the following wavelengths is absent and the rest are present in the X-rays coming from a Coolidge tube. Which one is the absent wavelength?

[8] Electromagnetic Waves
Chapter: [8] Electromagnetic Waves
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The figure shows the intensity-wavelength relations of X-rays coming from two different Coolidge tubes. The solid curve represents the relation for the tube A in which the potential difference between the target and the filament is VA and the atomic number of the target material is ZA. These quantities are VB and ZB for the other tube. Then,

[8] Electromagnetic Waves
Chapter: [8] Electromagnetic Waves
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50% of the X-rays coming from a Coolidge tube are able to pass through a 0.1 mm thick aluminium foil. If the potential difference between the target and the filament is increased, the fraction of the X-rays passing through the same foil will be

[8] Electromagnetic Waves
Chapter: [8] Electromagnetic Waves
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