PLEASE SOLVE!
Asked by gunjansingh | 20th May, 2009, 05:05: PM
Expert Answer:
f = 15 cm; m = 3; u = ?
m = v / u
v = 3 u
using (1 / v) - (1 / u) = (1 / f)
(1 / 3 u) - (1 / u) = (1 / f)
- 2 / 3u = 1 / f
u = - 2 x f / 3 = - 10 cm
Answered by | 30th May, 2009, 10:30: AM
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