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List of top Physics Questions on spherical lenses asked in AIIMS
The near point and far point of a person are
$40\, cm$
and
$250 \,cm$
respectively. Determine the power of the lens he/she should use while reading a book kept at distance
$25 \,cm$
from the eye.
AIIMS - 2015
AIIMS
Physics
spherical lenses
A doctor advices a patient to use spectacles with a convex lens of focal length
$40\, cms$
in contact with a concave lens of focal length
$25\, cms$
. What is the power of the resultant combination?
AIIMS - 2000
AIIMS
Physics
spherical lenses
Two lenses of power
$+\, 12 \,D$
and
$-2\, D$
are combined together. What is their equivalent focal length ?
AIIMS - 1994
AIIMS
Physics
spherical lenses