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Which of the following are the character...

Which of the following are the characterstics requried for the target to produce3 X-rays.
`{:("Atomic number","Low","High","Low","High"),("Melting Point","High","High","Low","Low"),(,(A),(B),(C),(D)):}`

A

(A)

B

(B)

C

(C )

D

(D)

Text Solution

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High atomic no. and high melting point.
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ALLEN-SIMPLE HARMONIC MOTION-Exercise-01
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  2. The K(alpha) X-ray emission line of tungsten occurs at lambda = 0.021 ...

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  3. Which of the following are the characterstics requried for the target ...

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  4. The wavelength of K(alpha) line for an element of atomic number 43 is ...

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

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  6. On operating an X-ray tube at 1 kV. X-rays of minimum wavelength 6.22Å...

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  7. In an X-rays tube, electrons striking a target are brought to rest, ca...

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  8. The production of characteristic X-rays is due to-

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  9. The constant 'a' Mosely's law sqrt(v) - a(Z-b) for k(alpha)X-rays is r...

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  10. Charateristic X-rays are not obtained in the spectrum of H-atom bacaus...

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  11. For the decay of nucleus, the possible reason which is not true

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  12. Assuming that 200MeV of energy is released per fission of uranium ato,...

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  13. If the binding energy per nucleon in .(3)Li^(7) and .(2)He^(4) nuclei ...

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  14. The mass of proton is 1.0073 u and that of neutron is 1.0087 u (u= ato...

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  15. The binding energy of deuteron is 2.2 MeV and that of .(2)^(4)He is 28...

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  16. In an alpha -decay, the kinetic energy of alpha-particles is 48 MeV a...

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  17. When a neutron is disintegrated, it gas :-

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  18. If N(t) = N(o)e^(lambdat) then number of disintefrated atoms between t...

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  19. A radioactive element has half-life period of 30 days. How much of it ...

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  20. The half life a radioactive element is 30 days, if the mass of the spe...

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