If a part of the lens is covered, it's focal length
(a) Increases
(b) remains same
(c) decreases
(d) none of the above
Dear Student,
If the part of the lens is covered there will be no change in the focal length of the lens, it will remain same.
Hence, option (b) is correct.
Regards
If the part of the lens is covered there will be no change in the focal length of the lens, it will remain same.
Hence, option (b) is correct.
Regards