Physics, 17.08.2021 01:00, kealinwiley

The efficiency of a light source is the percentage of its energy input that gets radiated as visible light. If some of the blue light in an LED is used to cause a fluorescent material to glow, A. The overall efficiency of the LED is increased. B. The overall efficiency of the LED does not change. C. The overall efficiency of the LED decreases.

Answers: 3

Show answers

Other questions on the subject: Physics

Physics, 22.06.2019 10:00, Calirose

Suppose a wheel with a tire mounted on it is rotating at the constant rate of 2.15 times a second. a tack is stuck in the tire at a distance of 0.373 m from the rotation axis. noting that for every rotation the tack travels one circumference (a) find the tack's tangential speed. (b) what is the tacks radial acceleration?

Answers: 2

continue

Physics, 22.06.2019 17:30, s11074739

Which of the choices are parts of an atom? select all that apply. a.) compound b.) electron c.) neutron d.) molecule e.) photon f.) proton g.) element

Answers: 1

continue

Physics, 22.06.2019 21:00, thanitoast84

Ais a machine that makes work easier when a single force is applied. a simple machine b compound machine c endangered machine d complex machine

Answers: 2

continue

Physics, 23.06.2019 07:30, landofliam30

Adistance-time graph indicates than an object moves 100 m in 4 s and then remains at rest for 6 s. what is the average speed of the object?

Answers: 1

continue

Do you know the correct answer?

The efficiency of a light source is the percentage of its energy input that gets radiated as visible...