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wavelength emitted by an atom of atomic number Z = 11 is . The atomic number for an atom that emits radiation with wavelength 4 is
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a
Z=6
b
Z=4
c
Z=11
d
Z=44
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Correct option is A
f1=vλ1=a(11−1) and f2=vλ2=a(Z−1) By dividing, λ2λ1=10Z−1 ⇒41=10Z−1 ⇒Z=6Similar Questions
The wavelength of , X-rays produced by an X-ray tube is 0.76 . The atomic number of the anode material of the tube is ________.
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