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 #89674
Back to Home
View All OPTICS Questions
48 Views
Question
What is the focal length of the equiconvex lens when it is surrounded only by air?
A. 15.0 cm
B. 30.0 cm
C. 45.0 cm
D. 60.0 cm
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
A lens has a focal length of -0.25 meters. What is its power?
48
In the thin lens formula 1/f = 1/v - 1/u, what does a positive value for focal length (f) indicate a...
27
What is the purpose of the 'normal' line in the context of refraction at a spherical surface?
23