Physics · Light - Reflection and Refraction
The principal focus of a spherical mirror is defined as:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The point on the principal axis where light rays parallel to the principal axis converge (or appear to diverge) after reflection✓
- 2The geometric center of the mirror's reflecting surface
- 3The midpoint of the radius of curvature along the principal axis
- 4The total distance between the object position and its image
Correct answer
The point on the principal axis where light rays parallel to the principal axis converge (or appear to diverge) after reflection
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