Physics · Ray Optics
In the parallax method for determining the focal length of a concave mirror, where should the object pin always be placed?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Between the pole (P) and the focus (F) of the concave mirror only
- 2Beyond the center of curvature (C) of the mirror only
- 3At any point beyond the focus (F) of the mirror✓
- 4Between the focus (F) and the center of curvature (C) of the mirror only
Correct answer
At any point beyond the focus (F) of the mirror
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