Answered

3. A person with near-sightedness can see objects at a distance of more than 30 cm from their eye. Which type of lens and what focal length will be needed to see an object at infinity?



Answer :

GinnyAnswer

Final answer:

To see distant objects clearly, a nearsighted person requires a diverging lens with a focal length that creates an image distance of -28.5 cm.


Explanation:

In order for a nearsighted person to see distant objects clearly, they need a diverging lens with a specific focal length. When the object is at infinity, the image distance from the lens needs to be -28.5 cm. This ensures that the image falls precisely on the retina, allowing for clear vision.


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