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A bolt of lightning heats the surrounding air to ~30,000 K — five times hotter than the Sun's surface.
Did you know?
A bolt of lightning heats the surrounding air to ~30,000 K — five times hotter than the Sun's surface.
An electromagnetic wave of wavelength is incident on a photosensitive surface of negligible work function. If is the mass of the photoelectron emitted from the surface, the de-Broglie wavelength of the electron is given by:
To solve this problem, we need to use the concepts of the photoelectric effect and the de-Broglie wavelength.Given:• An electromagnetic wave of wavelength is incident on a photosensitive surface.• The work function of the surface is negligible.• is the mass of the emitted photoelectron.
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