Numerical
Asked by
| 1st Jul, 2009,
10:06: PM
Expert Answer:
Since P = P1 + P2
or 1 / f = 1/ f1 + 1/ f2
5 = (1 / 0.15) + (1 / f2)
(1 / f2) = (5 x 0.15 - 1) / 0.15
(1 / f2) = - 0.25 / 0.15
f2 = - 3 / 5 = - 0.6 m = - 60 cm
Answered by
| 6th Jul, 2009,
04:02: PM
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