Single Answer MCQ
Q-00106615
Using the mirror formula, what would be the image distance (v) if object distance (u) is -10 cm and focal length (f) is -5 cm?
1
-15 cm
2
-10 cm
3
+10 cm
4
+15 cm
Answer and Solution
Answer
A. -15 cm
Solution:
Substituting f = -5 cm and u = -10 cm into the mirror formula gives 1/v = 1/f - 1/u, which solves to image distance v = -15 cm.
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