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 #88049
Back to Home
View All OPTICS Questions
65 Views
Question
If a lens has a power of 10 D, what is its focal length in centimeters?
A. -10 cm
B. +10 cm
C. +100 cm
D. -100 cm
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
What is the phenomenon called when all the light is reflected back into the denser medium?
45
What is the effect on the refracted ray as the angle of incidence increases in a denser medium?
38
Why is the approximation 'NM ≈ perpendicular distance from N to principal axis' valid?
55