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March 4, 2015

Homework Help: physics

Posted by ashley --- HELP PLEASEE!!! on Sunday, May 1, 2011 at 3:35pm.

Which of the following is correct when the intensity of the light source is increased?
Choose one answer.
a. The number of photons emitted by the light source in unit time increases.
b. The total energy of the photons emitted per unit time decreases.
c. Photons are emitted with more energy.
d. Photons are emitted with more speed.

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