A Beam of Light Falling on a Metal Surface Is

question 52

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

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Definitions:

Common Stock

A form of corporate equity ownership, a type of security that represents ownership in a corporation, with voting rights at shareholder meetings.

Cash Dividend

A payment made by a corporation to its shareholders, usually in the form of cash, as a portion of the company's profits.

Earnings Per Share

A financial ratio that calculates the portion of a company's profit allocated to each outstanding share of common stock, serving as an indicator of the company’s profitability.

Noncumulative Preferred Stock

A type of preferred stock that does not entitle the holder to claim dividend payments that were missed or not declared by the company.