If a Metal Has a Work Function 4

question 51

Multiple Choice

If a metal has a work function 4.3 eV what is the minimum frequency for photo-emission?

• A)3.5 * 10⁸ Hz
• B)3.0 * 10¹⁰ Hz
• C)10.0 * 10⁸ Hz
• D)1.04 *10¹⁵ Hz
• E)1.0 Hz

---

Definitions:

Land Covered

An environmental or agricultural term referring to the extent, type, and use of land surface areas, including natural vegetation, urban territories, and cultivated lands.

Forests

Large areas covered predominantly with trees and underbrush, playing critical roles in biodiversity, climate regulation, and resource provision.

Period

A length or portion of time.

Diamonds

A form of pure carbon arranged in a crystal lattice structure, often used in jewelry and industrial applications because of its hardness and optical properties.