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
DUAL NATURE OF MATTER AND RADIATION
Question #89698
Back to Home
View All DUAL NATURE OF MATTER AND RADIATION Questions
17 Views
Question
Calculate the threshold frequency for caesium if its work function is 2.14 eV.
A. 4.50 × 10¹⁴ Hz
B. 5.18 × 10¹⁴ Hz
C. 6.00 × 10¹⁴ Hz
D. 7.20 × 10¹⁴ Hz
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
How did the discovery of electrons change atomic theory?
16
Why didn’t visible light cause photoelectric emission from zinc in early experiments?
13
What are the waves associated with moving particles called?
22
Cristiano Ronaldo was rested, but which club did Sadio Mane play for in a 5-0 Asian Champions League...
(Current Affairs)
17
Who has been appointed as the first woman Director General of the Railway Protection Force (RPF)?
(Current Affairs)
29