A Beam of Light Falling on a Metal Surface Is

question 59

Multiple Choice

A beam of light falling on a metal surface is causing electrons to be ejected from the surface. If we now double the frequency of the light, which of the following statements are correct? (There could
Be more than one correct choice.)

• A) The number of electrons ejected per second doubles.
• B) The speed of the ejected electrons doubles.
• C) Twice as many photons hit the metal surface as before.
• D) The kinetic energy of the ejected electrons doubles.
• E) None of the above things occur.

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Definitions:

W-2 Form

An official tax document used in the United States that reports an employee's annual wages and the amount of taxes withheld from their paycheck.

Earnings

The amount of money that an individual or business receives in exchange for labor, services, or investing capital, typically measured over a specific period of time.

Deductions

To deduct or subtract; remove, take away.

Longevity

A long duration of life; lasting a long time.