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
ELECTRONIC DEVICES
Question #94040
Back to Home
View All ELECTRONIC DEVICES Questions
27 Views
Question
What is the power of a lens with focal length 50 cm?
A. +0.5 D
B. +2 D
C. +5 D
D. +20 D
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
What is the primary reason trivalent atoms create holes in a silicon lattice?
30
What is the average DC output voltage of a half-wave rectifier?
32
Why are the ionised donors on the n-side of the junction considered immobile?
36