Question

Selwyn is 6yr old and wears a spectacle having a power of +2 D.then 1.name the eye defect he is suffering from. 2state two reasons for this defect. 3.compute the focal length of his lens and state the lens used

Answer 1

☺☺ hlo mate here is ur answer ☺☺


☆ . Selwyn is suffering from hypermeteropia .

REASONS :


☆ . This is because image is formed beyond retina .

☆ . Eye ball becomes too short so the distance between eye lens and retina will reduce .

☆ . Focal length of eye lens becomes too short due to low converging power of the eye lens .

☆ . By biconvex lens we can correct this defect .









HOPE THIS WILL HELP U ✌✌

Answer 2

Answer:

ok thanks

Explanation: