Question Detail

PHY 104 Photo Electric Emission Objective Question
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Question

What is the 'Stopping Potential' (Vstop) in the context of the photoelectric effect?
Options
A The maximum voltage the power supply can provide.
B The potential at which the photoelectric current decreases to zero.
Correct Answer
C The voltage required to accelerate the ejected electrons.
D The potential energy of the electron inside the metal.
Correct Answer

Option B is the correct answer.

Detailed Explanation

Page 4 defines 'STOPPING POTENTIAL' as 'the potential at which the current of the material decreases to zero'.

Hint

Find the definition of 'Stopping Potential' (Vstop) on page 4.

Question Info

Course: PHY 104
Topic: Photo Electric Emission
Type: Objective
Difficulty: Not specified
Question 227 of 947
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