Question

a person cannot see distinctly object step beyond 2 metre this defect can be corrected by using a lens of power​

Answer 1

Here Is Your Ans ⤵

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concave lens because person suffer from myopia defect

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Answer 2

This person is suffering from myopia. A person with myopic eye can see near by objects clearly .But cannot see distant objects distinctly. This defect can be corrected by using a concave lens of suitable power

• so, here   f = -2                      

                      p=1/f

                            =1/-2 = -0.5 d  

Hope u got it

pls mark it as brainlist ans