When the Surface of a Metal Is Exposed to Blue

question 101

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

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