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 #88030
Back to Home
View All OPTICS Questions
3 Views
Question
What is the focal length of a lens with a power of -2.0 D?
A. +0.5 meters
B. -0.5 meters
C. +2.0 meters
D. -2.0 meters
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
What is the unit of measurement for the focal length of a lens?
1
What is the primary role of the objective lens in a compound microscope?
0
In the lens maker's formula 1/f = (n-1)(1/R1 - 1/R2), what does the quantity (n-1) primarily represe...
0
Which organization's foreign policy chief, Kaja Kallas, reached a common understanding with Israel t...
(Current Affairs)
6
Who assumed charge as Air Officer Commanding-in-Chief of the Southern Air Command on June 1, 2025?
(Current Affairs)
13