An object is moving with constant speed \(v_0\), towards a concave mirror along its principal ax....

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An object is moving with constant speed \(v_0\), towards a concave mirror along its principal axis, from a distance \(4 f_0\) as shown, where \(f_0\) is the focal length of mirror. The correct graph of speed of image (vi) with time \((t)\) is
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