A real image of an object is formed at a distance of 20 cm from a lens. On putting…
Physics · Class 12 · CBSE — Ray Optics & Optical Instruments
A real image of an object is formed at a distance of 20 cm from a lens. On putting another lens in contact with it, the image is shifted 10 cm towards the combination. The power of the lens is
- 2 D
- 5 D
- 6 D
- 10 D
Answer
(B) 5 D
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