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Mosley measured the frequency (f) of the characteristic X-rays from many metals of different atomic number (Z) and represented his results by a relation known as Mosley's law. This law is (a, b are constants)

a
f=aZ−b2
b
Z=af−b2
c
f2=aZ−b
d
f=aZ−b1/2

detailed solution

Correct option is A

Mosley's law is f = a(Z - b)²

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