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 #88160
Back to Home
View All OPTICS Questions
29 Views
Question
What is the adjustable opening in the center of the iris called?
A. Lens
B. Retina
C. Cornea
D. Pupil
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
What is the cause of refraction of light?
36
When applying the lens maker's formula, 1/f = (n-1)(1/R1 - 1/R2), what does the sign of R1 and R2 de...
14
What type of image is formed when the magnification (m) calculated using m = h'/h is negative?
29