An electron of mass 9.1×10−31kg and charge 1.6×10−19C is accelerated through a potential difference of 'V' volt. The de Broglie wavelength (λ) associated with the electron is
12.27VA0
12.27√VA0
12.27√VA0
112.27√VA0
A
12.27VA0
B
12.27√VA0
C
12.27√VA0
D
112.27√VA0
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Solution
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12mv2=eV mv=√2meV Now λ=hmv =h√2meV =12.27√VA0
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An electron of mass 9.1×10−31kg and charge 1.6×10−19C is accelerated through a potential difference of 'V' volt. The de Broglie wavelength (λ) associated with the electron is
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