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Estimate the kinetic energy of electron ...

Estimate the kinetic energy of electron that hit the target in a Coolidge tube and produce X-ray of wavelength 1 Å . Given `h=6.62xx10^(-34)J *s,c=3xx10^(8)m*s^(-1)`.

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The correct Answer is:
`1.24xx10^(4) eV`
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