Question Detail

PHY 104 Photo Electric Emission Objective Question

Question

What is the primary function of the electron gun in a Cathode Ray Tube?
Options
A To deflect the electron beam.
B To produce a visible light spot on the screen.
C To emit, accelerate, and focus the electron beam.
Correct Answer
D To generate X-rays.
Correct Answer

Option C is the correct answer.

Detailed Explanation

Page 7, under 'Electron gun', lists 'Accelerating and focussing effect on the electron beam', implying its role in emitting, accelerating, and focusing electrons.

Hint

Look at the description of the 'Electron gun' on page 7.

Question Info