Question

please answer part a

(7%) Problem 15: The figure to the right shows a light bulb between two spherical mirrors. One mirror produces a beam of light with parallel rays; the other keeps light from escaping without being put into the beam. 50% Parta) Where is the filament of the light in relation to the focal point or radius of curvature of the larger mirror? It is not at either of the other locations It is at the center of curvature It is at the focal point OOO Grade Summary Deductions Potential 10096

Answer 1

Any ray parallel to principle axis after reflection passes through the focus. So in respect to the larger mirror the filament is located at the focal point.