AIIMS2009Physics-Optics
AIIMS 2009 Physics Mirrors MCQ Question
Type: MCQ-conceptual-Medium-Class 12
In a concave mirror, an object is placed at a distance d₁ from the focus and the image is formed at a distance d₂ from the focus. Then the focal length of the mirror is
A
√(d₁d₂)
B
d₁d₂
C
(d₁ + d₂)/2
D
√(d₁/d₂)
Correct Answer
Option A
Detailed Explanation
Using 1/v + 1/u = 1/f
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