An X-ray tube produces a continuous spectrum of radiation with its short wavelength end at `0.45Ã…`. The maximum energy of a photon in the radiation i
An X-ray tube produces a continuous spectrum of radiation with its short wavelength end at `0.45Ã…`.
The maximum energy of a photon in the radiation is
A. 30.4 ke V
B. 27.6 ke V
C. 15.2 ke V
D. 12.8 ke V
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Correct Answer - B
(b) : `"Here",lamda_(min)=0.45Ã…=0.45xx10^(-10)m`
`h=6.63xx10^(-34)Js,c=3xx10^(8)ms^(-1)`
Maximum energy of X-ray photon is
`E_(max)=hv_(max)=(hc)/(lamda_(min))=(6.63xx10^(-34)xx3xx10^(8))/(0.45xx10^(-10)xx1.6xx10^(-19))eV`
`=27.6xx10^(3)eV=27.6keV`
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