The far point of an eye is 180 cm. A corrective lens is to be used to allow this eye to focus clearly on objects a great distanc
e away. What should be the focal length of this lens
1 answer:
Answer:
The focal length of this lens is f = 0.55 D
Explanation:
Given that the far point of an eye ( d )= 180 cm = 1.8 m
We know that focal length of lens is given by
Put the value of d in above equation we get
f = 0.55 D
Therefore the focal length of this lens is f = 0.55 D
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