A 14 year old student is not able to see clearly the question’s 1. Name the defect of vision he is suffering from?

CBSE Class 10 CBSE Class 10 Science
1

A 14 year old student is not able to see clearly the question’s written of the black board placed at a distance of 5 m from him.

  1. Name the defect of vision he is suffering from?
  2. Draw the diagram to show this defect?
  3. Name the type of lens used to correctify this defect?
  4. Name the possible cause of this defect.
  5. Draw the diagram to show how this defect can be corrected.
2

1.The student is suffering from Myopia.
2. image

3.Concave lens.
4.

  • Decrease in the focal length of the eye lens.
  • Eye ball gets elongated.

5 . image