Content protected from screenshots
GKFix.in
Current Affairs
General Knowledge
Categories
Concept Builder Quiz
About Us
Start Quiz
GKFix.in
Home
Current Affairs
General Knowledge
Categories
Concept Builder Quiz
Start Quiz
GKFix MCQ Question
Test your knowledge and learn something new
Home
ELECTRONIC DEVICES
Question #94410
Back to Home
View All ELECTRONIC DEVICES Questions
14 Views
Question
What is the threshold frequency of a metal if photoelectric emission begins at 4.73 × 10¹⁴ Hz?
A. 4.31 × 10¹⁴ Hz
B. 4.52 × 10¹⁴ Hz
C. 4.73 × 10¹⁴ Hz
D. 4.94 × 10¹⁴ Hz
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
Which of the following elements is NOT a pentavalent impurity?
14
What is the symbol for the Rydberg constant?
16
What Greek letter is used in quantum mechanics to represent wave functions?
14
Who will captain the Indian U20 Men’s team at the Asia Rugby Emirates U20 7s Championship 2025?
(Current Affairs)
27
What is the purpose of Delhi Municipal Council's (NDMC) initiative to transform Mandi House into a c...
(Current Affairs)
36