The near point of a hypermetropic eye is at 75cm from the eye. what is the power of the lens required to enable him to read clearly a book held at 25cm from the eye.???
guys, please answer this question .please????
Answers
Answered by
2
hey dear
here is your answer..
- THE LENS USED IN THE QUESTION IS CONVEX LENS.
- v = -75
- u = 25
- 1v+1u=1f
- 1−75+125=275
- P=1f
- 100(75/2)
- =2.66
hope it helps..
mahfoozfarhan4:
thx for brainliest.
Answered by
6
The power required for the correction is
P=1/F
=1/0.75
=1.33 D
Therefore power required for correction of the lebs is +1.33 D
P=1/F
=1/0.75
=1.33 D
Therefore power required for correction of the lebs is +1.33 D
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