Question

A student is unable to see clearly the word written on the blackboard place at a distance of approximately 3 m from him name the defect of vision the boy is suffer from

Answer 1

Since student unable to see clearly the words are written on the backboard placed at a distance of 3m from him , it means student is suffering from myopia .
Myopia is the defect in which we can see clearly close objects but far ones don't . This is due light can't focus on ratina causing far away objects appear blurry .

To correct the defect , student should use concave lens of a suitable focal length

Answer 2

Answer:

Explanation:

Since student unable to see clearly the words are written on the backboard placed at a distance of 3m from him , it means student is suffering from myopia .

Myopia is the defect in which we can see clearly close objects but far ones don't . This is due light can't focus on ratina causing far away objects appear blurry .

To correct the defect , student should use concave lens of a suitable focal length