Multiple Choice Question XXXXIV — task. Science CBSE, Class 10.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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A point source of light

$B$ , placed at a distance

$L$ in front of the centre of a plane mirror of width

$d$ , hangs vertically on a wall. A man walks in front of the mirror along a line parallel to the mirror at a distance

$2L$ from it as shown. The greatest distance over which he can see the image of the light source in the mirror is

$2d$
$3d$
$d$
$\frac{d}{2}$

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