Q: The human eye is like a camera that has a lens with:
(a)fixed focal length and fixed aperture size.
(b)variable focal length and fixed aperture size.
(c)fixed focal length and variable aperture size.
(d)variable focal length and variable aperture size.
Correct Answer: (d)
The correct answer is (d): परिवर्ती फोकस दूरी और परिवर्ती द्वारक आयाम (अपर्चर साइज) के हैं. Subject: General Studies | Sub-topic: Miscellaneous