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Grade: 10
        A person can see up to 4m clearly, but can`t see up to 20m. What is the power of lens required to see the object at 20m.?
2 years ago

Answers : (1)

Shubham Pandey
21 Points
							Since the person is able to see nearby object but not far object.Here the lens required is concave.P =1/FP = -0.05 D
						
2 years ago
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