A parabolic reflector for a searchlight has a diameter of 4 feet and a depth of 1

Question:

A parabolic reflector for a searchlight has a diameter of 4 feet and a depth of 1 foot. How far from the vertex should the filament of the light bulb be located?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  answer-question
Question Posted: