at what distance should an object be placed from a convex lens of focal length 18 cm to obtain an image at 24 cm from it on the other side.what will be the magnification produced in this case?
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HEY MATE HERE, IS UR ANSWER:-
GIVEN:-
Focal lenght of the convex lens= 18cm
Image distance from the convex lens= 24cm
By using lens formula,
1/f= 1/v - 1/u
1/u= 1/v - 1/f
1/u= 1/24 - 1/18
=3-4/72
1/u = -1/72
u= -72cm
The object distance from the convex lens is -72 cm
Object should be kept at a distance of 72cm on the left side of the convex lens
Magnification (m) = v/u
=24/ -72
=-1/3
Therefore the magnification= -1/3.
The image formed in the convex lens is inverted, real and diminished.
PLEASE MARK AS BRAINLIEST
AND I HOPE THIS WILL HELP YOU
GIVEN:-
Focal lenght of the convex lens= 18cm
Image distance from the convex lens= 24cm
By using lens formula,
1/f= 1/v - 1/u
1/u= 1/v - 1/f
1/u= 1/24 - 1/18
=3-4/72
1/u = -1/72
u= -72cm
The object distance from the convex lens is -72 cm
Object should be kept at a distance of 72cm on the left side of the convex lens
Magnification (m) = v/u
=24/ -72
=-1/3
Therefore the magnification= -1/3.
The image formed in the convex lens is inverted, real and diminished.
PLEASE MARK AS BRAINLIEST
AND I HOPE THIS WILL HELP YOU
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