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Questions  

The energy ratio of two Kα photons obtained in X-ray from two metal targets of atomic numbers Z1 and Z2 is

a
Z1Z2
b
Z1Z22
c
Z1−1Z2−12
d
Z1−1Z2−1

detailed solution

Correct option is C

The energy of Kα x-ray photons is directly proportional to (Z−1)2. The energy ratio of two Kα photons obtained in x-ray from two metal targets of atomic numbers Z1 and Z2 is Z1−1Z2−12

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The wavelength of Kα, X-rays produced by an X-ray tube is 0.76 Ao. The atomic number of the anode material of the tube is ________.


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