Question

If the object distance for a concave mirror is 24cm and image distance is 12cm in front of the mirror.find the focal length and magnification.

Answer 1

Here object distance u=-24 cm
image distance=-12 cm
Using mirror equation
1/f=1/v +1/u
=-1/12 -1/24
=-3/24
=-1/8
f=-8cm

Answer 2

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