Our society does not stop functioning just because the sun goes down. We are very dependent upon artificial light when natural light is no longer available. Which of the following statements about artificial light is correct?

A.Incandescent lights are more efficient than Fluorescent lights.
B.Fluorescent lights are more efficient than Incandescent lights
C.Incandescent lights produce 5% heat and 95% light.
D.Fluorescent lights produce up to 80% of their energy as light.

Question

Our society does not stop functioning just because the sun goes down. We are very dependent upon artificial light when natural light is no longer available. Which of the following statements about artificial light is correct?

A.Incandescent lights are more efficient than Fluorescent lights.
B.Fluorescent lights are more efficient than Incandescent lights
C.Incandescent lights produce 5% heat and 95% light.
D.Fluorescent lights produce up to 80% of their energy as light.