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Use Moseley's law with b = 1 to find the...

Use Moseley's law with b = 1 to find the frequency of the `K_alpha` X-ray of `La(Z = 57)` if the frequency of the `K_alpha` X-ray of `Cu(Z = 29)` is known to be `1*88 xx 10^(18)` Hz.

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The correct Answer is:
`7.52 xx 10^(18) Hz`
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PHYSICS GALAXY - ASHISH ARORA-X-RAYS-Unsolved Numerica Problem for Preparation
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  3. When 40 kV is applied across an X-ray tube, X-ray is obtained with a m...

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  11. Use Moseley's law with b = 1 to find the frequency of the Kalpha X-ray...

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  12. The Kalpha and Kbeta X-rays of molybdenum have wavelengths 0.71 A and ...

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  13. The wavelength of Kalpha and Lalpha X-rays of a meterial are 21.3 pm a...

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  14. Heat at the rate of 200 W is produced in an X-ray tube operating at 20...

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  15. In an X- ray tube , electrons accelerated through a potential differen...

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  16. Suppose a monochromatic X-ray beam of wavelength 100 pm is sent throug...

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

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  19. Frequency of a photon emitted due to transition of electron of a certa...

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