The focal length of the concave mirror is 26.2 cm.
object distance , u = 16.7 cm
image distance , v = -46.1 cm
Now, let the focal length of the mirror is f
The mirror formula is given by,
1/f = 1/u + 1/v
Putting the values of the given parameters to evaluate the focal length of the concave mirror.
1/f = 1/16.7 - 1/46.1
We solve the above equation and thus the value of the focal length of the concave mirror comes out to be,
f = 26.2 cm
The focal length of the mirror is 26.2 cm
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