Question
In: Physics
The magnification of a convex mirror is +0.53 times for objects 6.9 mm from the mirror.
chp 22 q12
The magnification of a convex mirror is +0.53 times for objects 6.9 mm from the mirror. | Part A What is the focal length of this mirror? |
Solutions
Expert Solution
Let 'X' be the object distance from mirror
According to magnification formula.m=-v/u....................................1
Where u is the object distance and v is the image distance
We have Mirror formula
..................................................................2
where f is the focal length
-----------------------------------------3
put equation 1 in 3 gives
given m=0.53 x
focal length of mirror is 
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