Physics, asked by salwagkq9633, 1 year ago

What is the wavelength of an electron of energy 100 ev?

Answers

Answered by Anonymous
1

E = 100 eV = 100 * 1.602 * 10^{-19} J = 1.602 * 10^{-17} J

lambda = h/ sqrt(2mE) = 6.626 * 10^{-34} / sqrt(2 * 9.1 * 10^{-31} * 1.602 * 10^{-17}) = 1.227 * 10^{-10} m

Answered by Anonymous
2

E = 100 eV = 100 * 1.602 * 10^{-19} J = 1.602 * 10^{-17} J

lambda = h/ sqrt(2mE) = 6.626 * 10^{-34} / sqrt(2 * 9.1 * 10^{-31} * 1.602 * 10^{-17}) = 1.227 * 10^{-10} m

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