Published by:
CGP EDU Academic Team
Published on: August 11, 2026
A convex lens of focal length 30 cm is placed in contact with a concave lens of
focal length 20 cm . An object is placed at 20 cm to the left of this lens system. The distance of the image from the lens in cm is____.
A
30
B
45
C
D
15
Text Solution
Verified by ExpertsThe correct answer is:
D
Equivalent focal length
Lens formula
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