Question

A particle is oscillating on the X-axis with an amplitude about the point with a frequency . A concave mirror of focal length is placed at the origin (see figure)
Identify the correct statements:
(A) The image executes periodic motion
(B) The image executes no n-periodic motion
(C) The turning points of the image are asymmetric w.r.t the image of the point at
(D) The distance between the turning points of the oscillation of the image is

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A

(B), (D)

B

(B), (C)

C

(A), (C), (D)

D

(A), (D)

Medium
JEE Mains
Solution
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Correct option is C)

For mean ,





As image copies the time period of object (A) is right as well. It will be periodic motion.

For one extreme



For other extreme 





These points are asymmetric about So,(c) is right.

Amplitude of oscillation of image 



(D) is right

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