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
OPTICS
Question #86369
Back to Home
View All OPTICS Questions
1 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
According to the sign convention, how are heights measured above the principal axis treated?
1
In normal adjustment, what is the state of the eye when viewing through a telescope?
0
What does the term 'contact' imply in the context of 'combination of thin lenses in contact'?
1
Who are the headline players for the 2025 Chennai Grand Masters chess tournament?
(Current Affairs)
6
Why was the killing of the lion Blondie in Zimbabwe controversial in mid-2025?
(Current Affairs)
6