Physics · Human Eye and Colourful World
Which of the following changes occurs in the human eye to focus on nearby objects clearly?
- 1The focal length increases making the eye lens thinner
- 2The curvature of the eye lens decreases and it becomes thinner
- 3The relaxation of the ciliary muscles makes the eye lens thicker and shortens the focal length
- 4The contraction of the ciliary muscles makes the eye lens thicker and shortens the focal length✓
Correct answer
The contraction of the ciliary muscles makes the eye lens thicker and shortens the focal length
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