when we say power of lens is -2D and has focal length -0.36m. What type of lens it is??
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☺☺hlo maye here is ur answer ☺☺
☆ .when the person is suffering from myopia we say power of lens is -2D .
☆ . Concave lens is used .
☆ .when the person is suffering from myopia we say power of lens is -2D .
☆ . Concave lens is used .
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It is a concave lens.
It is concave because the power and focal length are in negative whereas a convex lens has a positive power and focal length.
It is concave because the power and focal length are in negative whereas a convex lens has a positive power and focal length.
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