Content protected from screenshots
GKFix.in
General Knowledge
Categories
Concept Builder Quiz
About Us
Start Quiz
Home
My Profile
General Knowledge
Categories
Concept Builder
Start Quiz
Logout
GKFix MCQ Question
Test your knowledge and learn something new
Home
OPTICS
Question #86271
Back to Home
View All OPTICS Questions
35 Views
Question
What is the focal length of a concave mirror according to sign convention?
A. Positive
B. Negative
C. Zero
D. Infinite
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
In the context of optical fibres, what does 'numerical aperture' (NA) measure?
36
If the magnification of a mirror is +1, what can be said about the image?
33
Which of the following is NOT listed as a common optical device in the provided text?
32