Question

A student finds the writing on the blackboard as blurred and unclear when sitting on the last desk of the classroom. He, however, sees clearly when sitting on the front desk at an approximate distance 2 m from the blackboard.
(i) Draw the ray diagram to illustrate the formation of image of the blackboard writing by his eye lens when he sits at the (a) last desk, (b) front desk
(ii) Name the defect of vision the student is suffering from. Also, list two causes of this defect.
(iii)Name the kind of lens would enable him to see clearly when he is seated at the last desk. Draw the ray diagram to illustrate how this helps him to see clearly.

Answer 1

Answer:

hi

Explanation:

sorry dear I don't know this answer

Answer 2

Answer:

dont know bro

thank me

Explanation:

mark me as BRAINLIEST