Answers

2016-03-01T13:33:11+05:30
Just the position of the object placed at a distance from the lens or the mirror
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2016-03-01T15:56:09+05:30
Case 1: the object is located beyond the 2F pointCase 2: the object is located at the 2F pointCase 3: the object is located between the 2F point and the focal point (F)Case 4: the object is located at the focal point (F)Case 5: the object is located in front of the focal point (F)
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