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Question
What is de Broglie wavelength of an electron accelerated through 25000 volt?
Solution
Given: V = 25000 volt
To find: De-broglie wavelength (λ)
Formula: λ = `(12.27)/sqrtV` Å
Calculation: Using formula,
The de-broglie wavelength of electron is 0.0776 x 10–10 m
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