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_______
(a) Most of the refraction of light rays entering the eye occurs at the outer surface of the cornea.
(b) The part of eye sensitive to light is retina.
(c) The part of eye which alters the size of the pupil is iris.
(d) When light is dim, the pupil becomes larger.
(e) The iris controls the amount of light entering the eye.
(f) The ciliary muscles control the shape of the eye-lens.
(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 thinner.
(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 thicker.