Physics · Optics
In the determination of the focal length of a concave mirror using the u–v method, a pin is placed on the principal axis at a specific distance from the mirror's pole. The image formed is observed to be inverted. Upon a slight shift in the observer's viewpoint to the left, the image appears to move to the right of the object pin. Which of the following statements is correct about the position of the pin?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The pin is beyond the center of curvature.
- 2The pin is exactly at the center of curvature.
- 3The pin is placed between the focus and the center of curvature.✓
- 4The pin is placed closer than the focal length.
Correct answer
The pin is placed between the focus and the center of curvature.
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