where should an object from a convex mirror of focal lenght 20cm be held so as to obtain an erect, d
Asked by twinkly_sony | 28th Jun, 2009, 07:59: PM
Expert Answer:
given: f = 20 cm; m = 1/ 2
since m = - v / u
v = - u / 2
using (1 / f) = (1 / v) + (1 / u)
(1 / 20) = ( 2 / - u) + (1 / u) = -1 / u
object distance = - 20 cm
Due to some technical problem, ray diagram can not be uploaded.
Answered by | 7th Jul, 2009, 04:14: PM
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