Solve the problem.
-A reflecting telescope contains a mirror shaped like a paraboloid of revolution. If the mirror is 20 inches across at its opening and is 5 feet deep, where will the light be concentrated?
A) 5 in. from the vertex
B) 1.3 in. from the vertex
C) 0.6 in. from the vertex
D) 0.4 in. from the vertex

Question

Quizplus · Accepted Answer

The Answer of Solve the problem.
-A reflecting telescope contains a mirror shaped like a paraboloid of revolution. If the mirror is 20 inches across at its opening and is 5 feet deep, where will the light be concentrated?
A) 5 in. from the vertex
B) 1.3 in. from the vertex
C) 0.6 in. from the vertex
D) 0.4 in. from the vertex

Solve the Problem. -A Reflecting Telescope Contains a Mirror Shaped Like a Paraboloid