NEETPhysics-Optics
NEET Physics Lenses MCQ Question
Type: MCQ-numerical-Medium-Class 12
Two positions of convex lens for which image of the object is formed on the same screen are 40 cm and 80 cm from the object. The focal length of the lens is
A
80/3
B
40
C
40/3
D
80
Correct Answer
Option B
Detailed Explanation
Using the lens formula and the given positions, the focal length can be calculated.
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