A point object is placed at the centre of curvature of a spherical concave mirror. Which one among the following would be the correct location of image formed ?
[amp_mcq option1=”At infinity” option2=”At the centre of curvature” option3=”At the focal point” option4=”Between the focal point and the centre of curvature” correct=”option2″]
This question was previously asked in
UPSC NDA-2 – 2024
For a spherical concave mirror, when an object is placed at the centre of curvature (C), the image formed is also located at the centre of curvature (C).
When the object is at the centre of curvature of a concave mirror, the image formed is real, inverted, and has the same size as the object. Ray diagrams show that rays from the object passing through the focal point become parallel after reflection, and rays hitting the mirror perpendicularly pass through the centre of curvature after reflection. These reflected rays intersect at the centre of curvature.