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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
Q. What is dual character of light? Light behaves as particles of energy in the higher energy region as well as as waves in the lower energy region.
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