a person needs a lens of power -5.5 dioptres for correcting her distant vision.for correcting his near vision he needs a power pf lens +1.5 dioptre.what is the focal length of lens required for correcting.(1) distant vision,and (2) near vision.

a person needs a lens of power -5.5 dioptres for correcting her distan

1.	a person needs a lens of power -5.5 dioptres for correcting her distant vision.for correcting his near vision he needs a power pf lens +1.5 dioptre.what is the focal length of lens required for correcting.(1) distant vision,and (2) near vision.
Answer» HEYAA,,, we KNOW that p=1/f -5.5=1/f f=10/55cm

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a person needs a lens of power -5.5 dioptres for correcting her distant vision.for correcting his near vision he needs a power pf lens +1.5 dioptre.what is the focal length of lens required for correcting.(1) distant vision,and (2) near vision.

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