A convex mirror has a focal length f.A real object is placed at a distance f in front of it from the pole, produces an image at:
∞
f
f2
2f
A
∞
B
f
C
2f
D
f2
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Solution
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Given, Focal length =f,u=−f
By the mirror formula:
1f=1v+1f⇒1f=1v−1f⇒1v=2f⇒v=f2
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