In Order for a Photon to Eject an Electron from a Metal's

question 81

Multiple Choice

In order for a photon to eject an electron from a metal's surface in the photoelectric effect, the photon's

• A)frequency must be greater than a certain minimum value.
• B)speed must be greater than a certain minimum value.
• C)wavelength must be greater than a certain minimum value.
• D)momentum must be zero.

---

Definitions:

Virtual Democracy

A form of democracy that utilizes digital technologies and the internet to facilitate participation in governance processes.

National Entertainment State

The concept that entertainment and media have become significant in shaping national culture, identity, and politics, with some governments actively engaging in or controlling it for propaganda or unity.

Concentration of Ownership

A situation where a small number of individuals or companies control a large share of the market or resources.

Commercialism

A practice or attitude that places emphasis on the maximization of profit and the marketability of goods and services.