Question Detail

PHY 104 Photo Electric Emission Objective Question
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Question

In the context of the photoelectric effect, the 'WORK FUNCTION' (W) is defined as:
Options
A The kinetic energy of the emitted electrons.
B The total energy of the incident light.
C The amount of energy needed to get the electron out of the metal.
Correct Answer
D The potential difference required to stop the electron current.
Correct Answer

Option C is the correct answer.

Detailed Explanation

Page 4 defines W as 'W is the 'WORK FUNCTION', or the amount of energy needed to get the electron out of the metal'.

Hint

Locate the definition of 'WORK FUNCTION' on page 4.

Question Info

Course: PHY 104
Topic: Photo Electric Emission
Type: Objective
Difficulty: Not specified
Question 204 of 947
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