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April 18, 2014

Homework Help: physics

Posted by centya on Monday, December 17, 2012 at 10:02am.

Light is shone on a metal and photoelectrons are emitted.
Can you tell me the three things from the listbelow which might cause the photoelectron emission to stop.

Decreasing the intensity of the light
Increasing the frequency of the light
Decreasing the wavelength of the light
Increasing the wavelength of the light
Changing the metal
Decreasing the frequency of the light
Increasing the intensity of the light

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