How does picture formation in the eye vary from image formation in a camera?
2021
How does picture formation in the eye vary from image formation in a camera?
Answer: B. variable focal length — In the human eye , focal length changes by adjusting the curvature of the lens → variable focal length . In a camera , focal length is generally fixed.
- A.
varying distance between lens and imaging plane
- B.
variable focal length
- C.
fixed focal length
- D.
No difference
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Correct answer: B
In the human eye , focal length changes by adjusting the curvature of the lens → variable focal length . In a camera , focal length is generally fixed.
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