(a) Which parts of the eye cause rays of light to converge on the retina?
(b) Which part causes the greatest convergence?
(c) Which part brings the image into sharp focus on the retina? How does it do this?
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a ) cornea , aquous humour,eye lens, vitreous humour cause ray of light to converge more
b) cornea cause the greatest convergence
c)eye lens bring the image into sharp focus on retaina.....eye lens does this by adjusting its focal length with the help of ciliary musckes
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Explanation:
- (a) The part of the eye that causes the rays of light to converge on the retina is cornea and eye-lens.
- The light rays enter the eye through the cornea which acts as a window for an eye.
- (b) The part of the eye which causes greatest convergence is cornea.
- (c) The part of the eye which brings the image into sharp focus on the retina is eye lens. The eye lens makes this sharp focus by changing its thickness.
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