Quantum mechanics/Photoelectric effect/Quiz


1

If the electron behaved as a classical (non-quantum) particle and NOT somehow connected to a spring inside the metal, then one would expect that photoelectrons would be emitted _______

above a threshold intensity
above a threshold wavelength
above a threshold frequency
at a specific frequency

2

If the electron behaved as a classical (non-quantum) particle and the electron was somehow connected to a spring inside the metal, then one would expect that photoelectrons would be emitted _______

above a threshold intensity
above a threshold wavelength
above a thresholdfrequency
at a specific frequency

3

In the photoelectric effect, how was the maximum kinetic energy measured?

by measuring the voltage required to prevent the electrons from passing between the two electrodes.
by measuring the wavelength of the light
by measuring the distance between the electrodes

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