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The element which has a K(alpha) X-rays ...

The element which has a `K_(alpha)` X-rays line of wavelength `1.8 Å` is
`(R = 1.1 xx 10^(7) m^(-1), b = 1 and sqrt(5//33) = 0.39)`

A

Co,Z=27

B

Iron,Z=26

C

Mn,Z=25

D

Ni,Z=28

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PHYSICS GALAXY - ASHISH ARORA-X-RAYS-Numerical MCQs Single Options Correct
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  15. A cobalt (atomic no. =27 ) target is bombereded with electrons and th...

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  16. An X-rays tube is operated at 66kV. Then , in the continous spectrum o...

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  17. An X-ray tube is operating at 150 kV and 10 mA. If only 1% of the ele...

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