Question Detail

PHY 104 PHY 104 Past Questions Objective Question
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Question

Which of the following statement is not correct about photoelectric emission?
Options
A Photoelectric emission does not occur below the threshold frequency
B The photoelectric current increases with the frequency of incident light
C Threshold frequency does not depend on the metal used
Correct Answer
D The emission of photoelectrons is an instantaneous process
Correct Answer

Option C is the correct answer.

Detailed Explanation

The threshold frequency is a property of the metal and depends on its work function. Different metals have different threshold frequencies. Statement C is incorrect.

Hint

The threshold frequency is related to the work function of the metal.

Question Info

Course: PHY 104
Topic: PHY 104 Past Questions
Type: Objective
Difficulty: Not specified
Question 868 of 947
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