a spectacles lenses power is -0.5 D then which type of lenses it is
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My dear friend..the negative sign. means.
it is an concave lens.....
hope it helps you...
it is an concave lens.....
hope it helps you...
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Answered by
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Answer:
A spectacles power is -0.5 D. The lenses to be used are concave lens.
Explanation:
The negative sign in the given details -0.5 D indicate the nearsightedness..
The type of lenses used for near sightedness are concave lens.
Concave lenses have inward curve.
The disease where longer objects are invisible is called Myopia.
The light rays get diverged on falling on lens.
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