A person suffering from a defect of vision uses a corrective lens of power 4D . (a) Name the defect of vision and draw the ray diagrams for the defect and it's correction .
(b) Find the nature and focal length of the corrective lens.
Answers
Answered by
6
à)the person is suffering from hypermetropia as he should use convex lens.
b) pic
c)focal length of the lens=
P=1/F
4D =1/F
F=100/4
F=25.
b) pic
c)focal length of the lens=
P=1/F
4D =1/F
F=100/4
F=25.
Attachments:
Prasanti1234:
Thanku
Answered by
4
Answer:
the person is suffering from hypermetropia the corrective lens is convex lens
P=1/f
f=1/P
f=1/4 (meters)
f=0.25m
Attachments:
Similar questions