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 #88082
Back to Home
View All OPTICS Questions
20 Views
Question
A lens has a power of +5 dioptres. What is its focal length in centimeters?
A. +5 cm
B. +20 cm
C. +0.2 cm
D. +50 cm
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
In the small angle approximation, what is tan(∠NOM) approximately equal to?
20
For a converging lens, what is the sign of its focal length (f)?
18
A concave lens has a focal length of -15 cm. An object is placed 10 cm from the lens. Where is the i...
14
Which African elephant, a gift from Zimbabwe, recently died at the age of 29 at Delhi’s National Z...
(Current Affairs)
21
What action did the American Hindu group AHAD demand regarding White House trade advisor Peter Navar...
(Current Affairs)
18