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Electrons leave a gun after being speeded up through… | StemPy Lab

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Electrons leave a gun after being speeded up through 245 V. What is their de Broglie wavelength? Use λ = 1.227/√V nm.

PhysicsMediumHigh School (11–12)Modern Physics › Dual Nature of Radiation and Matter Board Exam AP A-Level IB

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Electrons leave a gun after being speeded up through $245$ V. What is their de Broglie wavelength? Use $\lambda = 1.227/\sqrt{V}$ nm.

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← Ultraviolet light of wavelength 331 nm is made of photons. How much momentum does each photon carry? Use h = 6.63 × 10⁻³⁴ J s.Which observation needs the wave nature of electrons to explain it? →

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