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The K(alpha) X - rays arising from a c...

The `K_(alpha)` `X` - rays arising from a cobalt `(z = 27)` target have a wavelength of `179 pm`. The `K_(alpha)` `X` - rays arising from a nickel target `(z = 28)` is

A

`gt179"pm"`

B

`lt179 "pm"`

C

`=179 "pm"`

D

None of these

Text Solution

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The correct Answer is:
B
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