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CBSE Notes 2011-2012

The position to place an object to get a real image magnified twice in front of a magnifying lens of...

Multiple choice question

The position to place an object to get a real image magnified
twice in front of a magnifying lens of focal length 20 cm is
at a distance of (from optical centre)

unknown

5 cm

unknown

10 cm

unknown

15 cm

unknown

30 cm