Questions
A potential of 10,000 V is applied across an X-ray tube. Find the ratio of de-Broglie wavelength associated with incident electrons to the minimum wavelength associated with X-rays. (Given elm =1.8 X C/kg for electrons)
detailed solution
Correct option is C
minimum wavelength of x ray photon eV=hcλ λ=hceVfor de Broglie wavelength of electron eV=p22m p=2meVλe=h2meVλeλ=h2meVeVhc=ev2m1c=1.8×101110000213×108=3×1073×108=110Talk to our academic expert!
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