Question
Chemistry Question on Electronic Configurations Of Elements And The Periodic Table
Television picture tubes are
A
cathode-ray tubes
B
α -particle tube
C
γ -rays tube
D
X -ray tube
Answer
cathode-ray tubes
Explanation
Solution
The cathode ray tube (CRT) is a vacuum tube containing one or more electron guns and a fluorescent screen used to view images. It has a means to accelerate and deflect the electron beam on the screen to create the images.