Solve the following question:
Asked by nkrbasak
| 7th Jan, 2013,
01:42: PM
Expert Answer:
we know that 1/v + 1/u = 1/f . as the miror is convex then focal leanth is -ve and image distance is -ve. then the equation stands -1/v + 1/u = -1/f . here v=u/2. then -2/u + 1/u = -1/f => f=u
Answered by
| 7th Jan, 2013,
05:20: PM
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