The reflector of a searchlight is in the shape of a paraboloid of revolution. Its diameter is 24 inches and its depth is
Posted: Mon Jul 11, 2022 10:20 am
The reflector of a searchlight is in the shape of a paraboloid of revolution. Its diameter is 24 inches and its depth is 9 inches. How far from the vertex should the light bulb be placed so that the rays will be reflected parallel to the axis? Place the light buch(es) from the vers -CED