power of lens is -4 D then its focal length is option A phone option B minus 40 option C -0.25 option B -2.5
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Answered by
2
Answer:
Also it is not mentioned if he can see beyond 50 ... blurred, but your vision is clearer when looking at things further away. ... increase in focal length of eye lens.
Missing: D option
Answered by
15
Answer:
Answer is -0.25m option c is answer
Plz mark as brain list answer
Explanation:
P=1/f
-4=1/f
-4f=1
F=-1/4
F=-0.25m
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