Plzzzzz ans this.
Asked by | 27th May, 2009, 10:44: AM
Expert Answer:
h = 2 cm
u = - 32 cm
h' = 3 cm
f = ?; v = ?
m = h' / h = - v / u
v = - h' u / h = - 3 x (- 32) / 2 = 48 cm
1/ f = 1/ v + 1 / u
1 / f = 1 / 48 - 1 / 32 = (2 - 3) / 96 = - 1 / 96
f = - 96 cm
Answered by | 27th May, 2009, 04:06: PM
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