a person needs a lens of power + 2.5 diopter for correcting his vision. name the defect of vision he is suffering from. Which type of lens will he be using for the correcting the defect? Also, find the focal length of lens.
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Answered by
4
he is suffering from hypermetropia and would use convex lens for correcting it.
the focal length will be 1/2.5 metre = 40 cm
the focal length will be 1/2.5 metre = 40 cm
Answered by
2
The answer is 40 cm
Hope this will help you.
Hope this will help you.
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