Question Detail

PHY 104 Photo Electric Emission Objective Question
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Question

In the photoelectric equation hf = W + KE, what does 'W' represent?
Options
A The kinetic energy of the ejected electron.
B The work done by the light on the metal.
C The minimum energy required to eject an electron from the metal.
Correct Answer
D The potential energy of the electron inside the metal.
Correct Answer

Option C is the correct answer.

Detailed Explanation

On page 3, the document states: 'W is the energy necessary to eject the electron called the Work Function'.

Hint

Look for the definition of 'W' in the context of the photoelectric equation on page 3.

Question Info

Course: PHY 104
Topic: Photo Electric Emission
Type: Objective
Difficulty: Not specified
Question 226 of 947
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