Question Detail

PHY 104 Atomic Structures Objective Question
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Question

What is the primary function of a cathode ray tube (CRT) in the context of converting electrical signals?
Options
A It converts heat energy into light.
B It accelerates protons to create images.
C It converts an electrical signal into a visual display by modulating and deflecting an electron beam.
Correct Answer
D It measures the magnetic fields generated by electron streams.
Correct Answer

Option C is the correct answer.

Detailed Explanation

On page 9, it is stated: "The function of such cathode ray tube in this case is the conversion of an electrical signal into a visual display. ...An electron beam, deflected by applied electric or magnetic fields, produces a trace on a fluorescent screen."

Hint

Think about how old televisions or computer monitors worked.

Question Info

Course: PHY 104
Topic: Atomic Structures
Type: Objective
Difficulty: Not specified
Question 168 of 947
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