Q

When an object is placed at the center of curvature (C) of a concave mirror, what is the nature of the image formed?

RRB JE 20/02/2026 / 9:00 AM - 10:30 AM 2026
✓ Answer: C Real and inverted
An incandescent bulb filament becomes extremely hot and emits visible light because of its high temperature. A normal room heater operates primarily to produce heat rather than visible light.