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?

+ 50 cm

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+ 25 cm

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- 50 cm

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- 25 cm

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Solution

The correct option is A
+ 50 cm

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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?

The correct option is A + 50 cm

The correct option is A
+ 50 cm