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Q. An electron beam is accelerated through a potential difference of 104 volt. Find the de Broglie wavelength.
λ = 12.27 A o / √V
λ = 12.27 A o / √104
= 0.1227 A o
It is defined as the magnetic lines of force per unit area of the pole face. B=φ/A where φ is the magnetic lines of f
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