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The work function of sodium is 2.28 eV. A laser, whose light has a frequency of...

The work function of sodium is 2.28 eV. A laser, whose light has a frequency of 4 x 10^15 Hz, shines on the surface of a sodium bar. If the intensity of the laser light is tripled, how will the quantity of electrons emitted from the surface of the bar change? [h = 4.14 x 10^15 eV-s] A)

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