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 #88057
Back to Home
View All OPTICS Questions
20 Views
Question
A corrective lens has a power of +2.0 D. What is its focal length in centimeters?
A. -50 cm
B. +50 cm
C. +20 cm
D. -20 cm
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
What is the Lens Maker's formula used for a thin lens in a medium?
16
What is the power of a concave lens with a focal length of 20 cm?
15
What is the effect of increasing the wavelength of light on diffraction?
14
What is the danger mark water level for the Yamuna River in Delhi?
(Current Affairs)
20
How many stubble burning incidents were detected in Punjab on October 16, 2025, according to satelli...
(Current Affairs)
19