Photons of Red Light Cause a Surface to Emit Photoelectrons

question 55

Multiple Choice

Photons of red light cause a surface to emit photoelectrons with maximum kinetic energy K(red) . If photons of blue light of the same intensity are now used in the experiment, which of the following statements is true about the photoelectrons emitted (if any are emitted) ?

• A) No photoelectrons are emitted.
• B) maximum K(blue) < K(red)
• C) maximum K(blue) = K(red)
• D) maximum K(blue) > K(red)
• E) None of these choices are true.

---

Definitions:

Short Run

A period in economics where at least one factor of production is fixed, and firms can only partially adjust to changes in market demand.

Input

Resources such as labor, materials, and capital used in the production of goods and services.

Planned Output

The quantity of goods or services that a company intends to produce in a specific period.

Production Function

A mathematical relationship expressing the output generated by a firm from different quantities of inputs.