Question

A student sitting at the back bench in a class difficult in rading .what could be his defect of vision?draw ray diagram to illustrat the image formation of the black board when he is seted at the(1)back seat(2)front seat state two possie couses of this defect .explain the mathod of correcting this defect with the help of a ray diagram

Answer 1

myopia - defect

it can be corrected by suitable concave lens