A square card of side length 1 mm is being seen through a magnifying lens of focal length…
Physics · Class 12 · CBSE — Ray Optics & Optical Instruments
A square card of side length 1 mm is being seen through a magnifying lens of focal length 10 cm. The card is placed at a distance of 9 cm from the lens. The apparent area of the card through the lens is
- 1 cm2
- 0.81 cm2
- 0.27 cm2
- 0.60 cm2
Answer
(A) 1 cm 2
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