Author Question: X-ray radiation typically comes from A) higher-energy electrons orbiting the nucleus in atoms. ... (Read 50 times)

Mr. Wonderful · **on:** Jul 29, 2018

X-ray radiation typically comes from

A) higher-energy electrons orbiting the nucleus in atoms.
B) electrons moving along a metal antenna.
C) thermal vibrations of molecules.
D) charged particles moving within the nucleus.
E) None of the above.

Question 2

Strictly speaking, if any electrical device in an automobile is turned on (such as an air conditioner or even headlights), more fuel is consumed by the engine. This statement is

A) true.
B) true only if the engine is running.
C) always false.
D) sometimes true, sometimes false.