Answer: The principal focus of a concave mirror is the point where all the parallel rays of light that hit the mirror converge or meet after reflecting off the mirror. It’s the point where the light ...

A concave mirror projects the image of a lit candle. A hand or small metal sheet can be used to block parts of the candle or mirror to test knowledge of image formation. If you have any questions ...

Ready to unlock your full math potential? 🎓Follow for clear, fun, and easy-to-follow lessons that will boost your skills, build your confidence, and help you master math like a genius—one step at a ...