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
ATOMIC STRUCTURE
Question #25477
Back to Home
View All ATOMIC STRUCTURE Questions
16 Views
Question
Calculate the energy of a radiation source if it emits 2.5 × 10^15 photons in a 2 ns pulse.
A. 3.0 × 10^-19 J
B. 4.0 × 10^-19 J
C. 5.0 × 10^-19 J
D. 6.0 × 10^-19 J
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
Which of the following best describes the energy of an electron at n = ∞ in Bohr’s model?
13
In Bohr's model, what happens to the radius of the orbit as the principal quantum number (n) increas...
7
Which of the following statements is true about electromagnetic waves?
13
Who became the first person from Jharkhand to complete a full Ironman triathlon?
(Current Affairs)
42
Who scored a brace in India's 4-1 victory over South Korea in the 2025 Men's Hockey Asia Cup final?
(Current Affairs)
21