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How should one hold an object infront concave mirror of focal length 40 cm so as to get a virtual image twice the size of the object

Posted by Dibyasmita Barik 4 years, 1 month ago

CBSE > Class 10 > Science

1 answers

Lavishka Choudhary 4 years, 1 month ago

Fully charged in 36 min - 65W SuperVOOC 2.0 in OPPO Reno4 Pro. How far should we hold an object from a concave mirrow of focal length 40cm so as to get a virtual image twice the size of the object? 2u because the magnification is 2, minus because it is a virtual distance, to a virtual image, behind the mirror.

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CBSE > Class 10 > Science