The X-ray coming from a Coolidge tube ha...

The X-ray coming from a Coolidge tube has a cutoff wavelength of 80 pm. Find the kinetic energy of the electrons hitting the target.

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`lambda=80p m `
` E=(hc)/lambda=1242/(80xx10^-3 )`
` 15.525xx10^3 eV `
` =15.5KeV`

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