A Blue Laser Beam Is Incident on a Metallic Surface,causing

question 46

Multiple Choice

A blue laser beam is incident on a metallic surface,causing electrons to be ejected from the metal.If the frequency of the laser beam is increased while the intensity of the beam is held fixed,

• A)the rate of ejected electrons will decrease and their maximum kinetic energy will increase.
• B)the rate of ejected electrons will remain the same but their maximum kinetic energy will increase.
• C)the rate of ejected electrons will increase and their maximum kinetic energy will increase.
• D)the rate of ejected electrons will remain the same but their maximum kinetic energy will decrease.

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Definitions:

2000 Presidential Election

A highly contested election in the United States, ultimately decided by the Supreme Court, resulting in George W. Bush winning the presidency over Al Gore.

Recount

The process of counting votes again in an election, often triggered by the initial results being extremely close or disputed.

United States Supreme Court

is the highest court in the United States, with ultimate appellate authority over all federal and state court cases involving matters of federal law.

2000 Presidential Election

A United States presidential election where George W. Bush narrowly defeated Al Gore, marked by controversies over the vote count in Florida.