question archive During a photoelectric effect experiment, light possessing 3
During a photoelectric effect experiment, light possessing 3
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During a photoelectric effect experiment, light possessing 3.54 eV
of energy is incident on a photoelectric material. The work function of the material is equal to 1.53 eV. What is the kinetic energy (in eV) of the electrons emitted?
What is the de Broglie wavelength of an 11 kg cat that is moving at 2.10 m/s?
A primary coil in a transformer carries a voltage of 220 V with a total of 660 turns in its coil. If a secondary coil is used to step down the voltage to 120 V, how many turns should it have it in the secondary coil?
