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 #86369
Back to Home
View All OPTICS Questions
23 Views
Question
What is the focal length of a concave mirror with a radius of curvature of 30 cm?
A. +15 cm
B. -15 cm
C. +30 cm
D. -30 cm
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
In the example problem, what would be the new image distance (v) if the object distance (u) were hal...
22
What is the primary role of a screen when viewing a real image formed by a lens?
27
In the context of the derivation for a spherical refracting surface, what does the symbol 'n2' typic...
15