Pupil

Text Solution

Verified by Experts

The small opening of variable diameter at the center of iris is called the pupil .
Promotional Banner

Topper's Solved these Questions

  • LENSES

    CHETAN PUBLICATION|Exercise Distinguish between:|3 Videos
  • LENSES

    CHETAN PUBLICATION|Exercise Give scientific reasons:|11 Videos
  • LENSES

    CHETAN PUBLICATION|Exercise Solve the following|10 Videos
  • HEAT

    CHETAN PUBLICATION|Exercise ASSIGNMENT - 5 (Answer the following: (Any 1))|3 Videos
  • MODEL ACTIVITY SHEET

    CHETAN PUBLICATION|Exercise SOLVE THE FOLLOWING QUESTIONS : (ANY 1)|9 Videos

Similar Questions

Explore conceptually related problems

In a certain an algebraical exercise book there and 4 examples on arithmetical progression, 5 examples on permutation and combination, and 6 examples on binomial theorem. Find the number of ways a teacher can select or his pupils at least one but not more than 2 examples from each of these sets.

Match column I with column II and select the correct option from the codes given below. {:("Column-I","Column-II"),(A."Cornea",(i)"Provides opening for light to enter"),(B."Iris",(ii)"Transduces blue,green and red light"),(C."Lens",(iii)"Controls the amount of light that enters"),(D."Optic nerves",(iv)"Alters the shape of lens"),(E."Pupil",(v)"Transmit information to the CNS"),(F."Ciliary muscles",(vi)"Focus light directly on retina"),(G."Fovea",(vii)"Bends light and protects inner eye"):}

Read the given paragraph about human eye carefully and correct the mistakes. Our eye is cylindrical shaped. The wall of the eyeball is composed of five layers.The outermost layer is cornea. The innermost layer is called sclera. The eyeball consists of elastic nerves and biconcave lens.The pupil attaches lens to iris . Iris has rod and cone shaped cells. Aqueous humour is present between lens and retina. The vitreous humour is present between cornea and lens . The brain changes the light into nerve impulses and sends them to retina.