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When a beam of accelerated electrons hit...

When a beam of accelerated electrons hits a target , a continuous `X` - ray spectrum is emitted from the target. Which of the following wavelength is absent in `X` - ray spectrum , if the `X` - ray tube is operating at `40,000 "volts"`?

A

`15 Å`

B

`0.5 Å`

C

`0.25 Å`

D

`1.0 Å`

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PHYSICS GALAXY - ASHISH ARORA-X-RAYS-Numerical MCQs Single Options Correct
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  2. When a beam of accelerated electrons hits a target , a continuous X - ...

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  3. Electrons with energy 80 keV are incident on the tungsten target of an...

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  4. The wavelength of the K(alpha) line for an element of atomic number 57...

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  5. An X-raytube is working at potential of 20 KV. The potential differe...

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  6. The K(alpha) X-ray emission line of lungsten accurs at lambda = 0.021 ...

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  7. In a discharge tube when 200 volt potential difference is applied 6.25...

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  9. An element of atomic number 9 emits K(alpha) X-ray of wavelength lamda...

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  10. The minimum wavelength of X-rays produced in an X-ray tube is lambda w...

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  11. The wavelength of k(alpha) X- rays produced by an X - rays tube is 0....

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  12. The voltage applied to an X-ray tube is 18 kV. The maximum mass of pho...

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  13. The battery connected across a coolidge tube operates at a power level...

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  14. The wavelength of the characteristic X - ray k(alpha ) line emitted by...

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  15. An X-raytube produces a continuous spectrum of radiation with its shor...

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  16. The element which has a K(alpha) X-rays line of wavelength 1.8 Å is ...

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  17. In a coolidge tube, the tungsten (Z=74) target is bombarded by electro...

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  18. The potential different across the Coolidge tube is 20 kV and 10 m A c...

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  19. When the accelerating voltage applied on the electrons, in an X-rays t...

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  20. The wavelength of K(alpha) X-rays of two metals A and B are 4 // 1875 ...

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