The kinetic energy of an electron having de-Broglie wavelength λ is ( h = Planck's constant, m = mass of electron)

Question

The kinetic energy of an electron having de-Broglie wavelength λ is ( h = Planck's constant, m = mass of electron), h 2 m λ, h 2 2 m λ 2, h 2 2 m 2 λ 2, h 2 2 m 2 λ

MARKS App · Accepted Answer

λ = h 2 m K . E λ 2 = h 2 2 m ( K . E ) ( K . E ) = h 2 2 m λ 2

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