What lens must be used to see clearly an object at infinity

Reference no: EM13657175

1. The near point of a certain eye is 100 cm in front of the eye. What lens must be used to see clearly an object 25 cm in front of the eye?

2. The far point of a certain eye is 1 m in front of the eye. What lens must be used to see clearly an object at infinity?

Reference no: EM13657175

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