The distance of distinct vision of a person is 50 cm. He wants to read a book placed at…
Physics · Class 12 · CBSE — Ray Optics & Optical Instruments
The distance of distinct vision of a person is 50 cm. He wants to read a book placed at 25 cm. What should be the focal length of the spectacles ?
- 25 cm
- 50 cm
- 75 cm
- 100 cm
Answer
(D) 100 cm
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