A miopic person uses a lens of powe -1.25 d . What is his farpoint? Class 12 physics
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f=1/P
...f=1/-1.25
f=-0.8m=-80cm
...1/f=1/v-1/u.... (lens formula)
f=-80cm
u= infinity (far point of normal eye)
therefore putting in formula
we get far point of myopic eye is 80 cm or 0.8 m...
hope u have Understood
.
.
.well u will be shocked when u know this thing..
I m in class 10 th
...f=1/-1.25
f=-0.8m=-80cm
...1/f=1/v-1/u.... (lens formula)
f=-80cm
u= infinity (far point of normal eye)
therefore putting in formula
we get far point of myopic eye is 80 cm or 0.8 m...
hope u have Understood
.
.
.well u will be shocked when u know this thing..
I m in class 10 th
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