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Continuous Spectrum

If 60 kV po...

Question

If $60$ kV potential difference is applied on Coolidge tube, then calculate minimum wavelength of continuous X-ray spectrum.

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Solution

Potential difference by which the electron is accelerated $= 60 k V = 60000 V$
So, energy of electron $E = 60000 e V$
Minimum wavelength of X-ray $λ = \frac{h c}{E}$
$⟹ λ = \frac{12420}{E (in eV)} A^{o} = \frac{12420}{60000} = 0.21 A^{o}$

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