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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