Question

What is the Key word of cavity ​

Answer 1

Answer:

A cavity is a carved-out space inside something solid like a wall or a tooth. ... Cavity shares the Latin root cavus, "hollow," with the word cave.

Explanation:

What is a cavity in physics?

the free encyclopedia. An electromagnetic cavity is a cavity that acts as a container for electromagnetic fields such as photons, in effect containing their wave function inside. The size of the cavity determines the maximum photon wavelength that can be trapped.