1.

Fill in the following blanks with suitable words: (a) Most of the refraction of light rays entering the eye occurs at the outer surface of the ___ (b) The part of eye sensitive to light is ___ (c) The part of eye which alters the size of the pupil is ___ (d) When light is dim, the pupil becomes ___ (e) The iris controls the amount of ___ entering the eye. (f) The ciliary muscles control the shape of the ___ (g) To bring light from a distant object to a focus on the retina of the eye, the convex eye-lens needs to be made ___ (h) To bring light from a near object to a focus on the retina of the eye, the convex eye-lens needs to be made ___

Answer» Fill in the following blanks with suitable words:
(a) Most of the refraction of light rays entering the eye occurs at the outer surface of the ___
(b) The part of eye sensitive to light is ___
(c) The part of eye which alters the size of the pupil is ___
(d) When light is dim, the pupil becomes ___
(e) The iris controls the amount of ___ entering the eye.
(f) The ciliary muscles control the shape of the ___
(g) To bring light from a distant object to a focus on the retina of the eye, the convex eye-lens needs to be made ___
(h) To bring light from a near object to a focus on the retina of the eye, the convex eye-lens needs to be made ___


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