NEET2018Physics-Ray Optics
NEET 2018 Physics Mirrors MCQ Question
Type: MCQ-numerical-Medium-Class 12
An object is placed at a distance of 40 cm from concave mirror of focal length 15 cm. If the object is displaced through a distance of 20 cm towards the mirror, then the displacement of the image will be
A
30 cm away from the mirror.
B
36 cm away from the mirror.
C
30 cm towards the mirror.
D
36 cm towards the mirror.
Correct Answer
Option B
Detailed Explanation
Using the mirror formula, calculate the initial and final image positions and find the difference to get the displacement.
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