The human eye and Colourful world
The Human Eyes And The Colorful World Question 1: What kind of lens is present in the human eye ? Solution : Convex lens Question 2: Name two parts of the eye which refract light rays (or bend light rays) Solution : Two parts which refract light rays are cornea and eye-lens. Question 3: Name the part of the eye : (a) which controls the amount of light entering the eye. (b) on which the image is formed. (c) which changes the focal length of eye-lens. Solution : (a) Iris (b) Retina (c) Ciliary muscles Question 4: What is the name of : (a) the curved, transparent front surface of the eye ? (b) the light-sensitive layer in the eye ? Solution : (a) Cornea (b) Retina Question 5: Where is the image formed in a human eye ? Solution : At retina Question 6: What is the function of the lens in the human eye ? Solution : Eye lens changes its shape and thickness to focus light on to the retina. Question 7: What job does the pupil of the eye do ? Solution : Pupi...