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 #86994
Back to Home
View All OPTICS Questions
40 Views
Question
For a concave mirror of radius 15 cm, what is the focal length?
A. +7.5 cm
B. –7.5 cm
C. +15 cm
D. –15 cm
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
If a lens system has a net power of zero, what is its effective focal length?
40
What happens to the image in a convex mirror as the jogger approaches the car?
37
What is the main condition required for a prism to bend light by 90° using total internal reflectio...
15