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An X - ray machine has an accelerating p...

An X - ray machine has an accelerating potential difference of 25,000 volts. By calculation the shortest wavelength will be obtained as
`(h=6.62 xx10^(-34)J-sec,e=1.6xx10^(-19)"coulomb")`

A

0.25 Å

B

0.50 Å

C

1.00 Å

D

2.50 Å

Text Solution

Verified by Experts

`lambda_(min)=(hc)/(eV)=(12375)/(V)Å=0.495 Åapprox0.5 Å`
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NARAYNA-DUAL NATURE OF RADIATION AND MATTER-EXERCISE - 1 (H.W)
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  2. Threshold wavelength for a metal having work function w(0) is lambda. ...

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  3. The work functions of metals A and B are in the ratio 1 : 2. If light ...

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  4. The threshold wavelength for photoelectric emission from a material ...

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  5. An AIR station is broadcasting the waves of wavelength 300 metres. If ...

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  6. The energy of a photon is E = hv and the momentum of photon p = (h)/(l...

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  7. The approximate wavelength of a photon of energy 2.48 eV is

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  8. An important spetral emission line has a wavelength of 21 cm. The corr...

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  9. A particle having a de Broglie wavelength of 1.0 A^(0) is associated w...

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  10. The de - Broglie wavelength of an electron having 80 ev of energy is n...

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  11. Electrons are accelerated through a p.d. Of 150V. Given m=9.1xx10^(-31...

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  12. If accelerating potential of an alpha particle is doubled than its new...

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  13. The ratio of the deBroglie wavelengths of proton, deuteron and alpha p...

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  14. The energy that should be added to an electron, to reduce its de-Brogl...

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  15. The de - Broglie wavelength of an electron having 80 ev of energy is n...

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  16. If particles are moving with same velocity , then maximum de - Broglie...

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  17. The wavelength of most energetic X-rays emitted when a metal target is...

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  18. X - rays which can penetrate through longer distances in substance are...

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  19. An X - ray machine has an accelerating potential difference of 25,000 ...

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  20. Four the production of X-rays of wavelength 0.1 Å the minimum potentia...

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