SSC CGL (Prelims) General: Ray Optics and Optical Instruments questions with solutions

Q1. How does a concave mirror form an image when an object is located at its center of curvature?

1. Real, inverted, and diminished
2. Real, inverted, and same size
3. Virtual, erect, and magnified
4. Real, erect, and diminished

Answer: Real, inverted, and same size

For a concave mirror, an object placed at the center of curvature forms its image at the center of curvature itself. The image is real, inverted, and equal in size to the object.