Asked in Physics, Nuclear Physics
What kind of object emit radiation?
Depends on the radiation you are talking about: Hot objects emit blackbody spectrum electromagnetic radiation. Ionized gasses emit narrow line spectrum electromagnetic radiation. CRTs emit x-ray radiation. Radio sources emit electromagnetic radiation. Radioactive isotopes emit radioactivity (alpha, beta, gamma, neutron, etc.) etc. ...
What are some sentences using the word emit?
when a car is filled with gas,it will EMIT a clear vapor The bulb began to emit a dull radiance. Black smoke began to emit from under the hood as soon as I got onto the highway. Well, the word "emit" is a verb, and generally has to do with gases. For example, "A car emits gas when used by the driver." Another example might be, "A factory can emit gas through the chimney." Dogs can sense when people are nervous or frightened, because...