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
39 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
What is the refractive index of a vacuum?
55
At what point does the refracted ray graze along the interface during refraction from denser to rare...
18
What is the significance of the centers of curvature C1 and C2 in determining the focal length?
22