a convex mirror forms an image which is 1/2n times the size of the object . if focal length of the mirror is 2f then the distance of the object is?

Asked by thajvirkaur | 30th Jan, 2012, 12:44: PM

Expert Answer:

hi/ho = -di/do 1/2n = -di/do do = -2ndi 1/f = 1/di+ 1/do 1/2f = 1/di -1/2ndi di = (2n-1)f/n Now, 1/f = 1/di + 1/do 1/2f = n/(2n-1)f + 1/do Now, we can calculate do

Answered by  | 30th Jan, 2012, 04:55: PM

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