Question

A student has difficulty reading the blackboard while sitting in the last row. What could be defect

Answer 1

hey ,

the defect is called myopia or in simple terms short-sighted

this is due to the cilary  muscles not working properly

ur welcome

and best of luck for tommor

Answer 2

$\mathfrak{\huge{\red{\underline{\underline{Answer:-}}}}}$

A student has difficulty in reading the blackboard while sitting in the last row. It shows that he is unable to see distant objects clearly. He is suffering from myopia. This defect an be corrected by using a concave lens.