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प्रश्न
How does the focal length of eye lens change as the distance of the object from the eyes is altered? Explain.
स्पष्ट करा
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उत्तर
The ciliary muscles adjust the curvature of the eye lens, increasing the focal length when relaxed for distant objects and decreasing it when contracted for nearby objects. This, known as the power of accommodation, enables the eye to focus images on the retina.
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