Question

A student is sitting at the back bench of the class is not able to see what is written on the blackboard.

a. What defect is the student suffering from?
b. What is the cause of the defect?
c. which lens should be used to correct the defect?​

Answer 1

Answer:

Answer : The student sitting at the back of the classroom cannot read clearly the letters written on the blackboard, it means that the student is suffering from Myopia. The doctor will suggest her, a concave lens of suitable power which will bring the image back on retina and therefore the defect will be corrected.