When the Surface of a Metal Is Exposed to Blue

question 59

Multiple Choice

When the surface of a metal is exposed to blue light,electrons are emitted.If the intensity of the blue light is increased,which of the following things will also increase?

• A)the number of electrons ejected per second
• B)the maximum kinetic energy of the ejected electrons
• C)the time lag between the onset of the absorption of light and the ejection of electrons
• D)the work function of the metal
• E)all of the above

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