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CGP EDU Academic Team
Published on: August 14, 2026
As the speed of a particle of mass, m, increases, its de-Broglie wavelength λ decreases. What is the rate of change of λ with the kinetic energy, E for an electron with λ = 1 Å ? Mass of the electron = 0.91 × 10 –30 kg.
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207.33 × 10 4
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