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In Moseley's law sqrt(v)=a(z-b), the vol...

In Moseley's law `sqrt(v)=a(z-b),` the volue of the screening constant for K-series and L-series of X-rays are respectively

A

1, 6.4

B

1,4

C

4,6

D

2,4

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In Moseley's law `sqrt(v)=a(Z-b)` , the values of the screening constant for K-series of X-rays are respectively, 1 and 6.4.
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