A point object is kept in front of a plane mirror

PHYSICS · Single correct · ICSE · Physics · Light · Light

Problem

A point object is kept in front of a plane mirror. The plane mirror performs SHM of amplitude 2 cm2\,\text{cm} along the xx-axis, which is normal to the mirror. The amplitude is such that the object is always in front of the mirror. The amplitude of SHM of the image is (a) zero (b) 2 cm2\,\text{cm} (c) 4 cm4\,\text{cm} (d) 1 cm1\,\text{cm}

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