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:

Change in Demand

A change in the quantity demanded of a good or service at at least one price that is caused by factors other than a change in the price of that good or service.

Technology

The application of scientific knowledge for practical purposes, especially in industry, which includes machinery, equipment, methods, and processes.

Equilibrium Price

The price at which the quantity of a product offered for sale by sellers equals the quantity of the product that buyers are willing to buy, causing market stability.

Quantity Demanded

The overall volume of a product or service that consumers are eager and equipped to acquire at an established price point.