Question
Mon January 30, 2012 By: Thajvirkaur
 

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?

Expert Reply
Mon January 30, 2012
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
Sat October 22, 2016

Derive:

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