When the ciliary muscles are relaxed, the eye lens becomes
Question
When the ciliary muscles are relaxed, the eye lens becomes
thicker, decreasing focal length
thinner, increasing focal length
completely rigid with no change
detached from the eye
Answer
thinner, increasing focal length
Detailed Explanation
The chapter states that when the ciliary muscles are relaxed, the lens becomes thin, increasing its focal length, enabling us to see distant objects clearly.