the wavelength must be changed

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Light of wavelength lemda strikes a photoelectric surface and electrons are ejected with kinetic energy K. If K is to be increased to exactly twice its original value, the wavelength must be changed
14
Oct
Light of wavelength lemda strikes a photoelectric surface and electrons are ejected with kinetic energy K. If K is to be increased to exactly twice its original value, the wavelength must be changed Light of wavelength lemda strikes a photoelectric surface and electrons are ejected with kinetic energy K. If K is to be increased [...]
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