subject
Physics, 05.05.2020 06:48 purplefive85

A certain light bulb consumes 200J of electrical energy per second, but only emits 25J of light energy per second. Calculate the efficiency of this bulb.

ansver
Answers: 2

Another question on Physics

question
Physics, 22.06.2019 01:40
In all trials, the magnitude of the final velocity for g1 + g2 was less than the magnitude of any initial velocity. as mass increased, what happened to the velocity? the velocity decreased. the velocity increased. the velocity of g1 + g2 could not be measured. the velocity was not affected by the mass increase.
Answers: 1
question
Physics, 22.06.2019 04:30
Ameter stick is pivoted at the 0.50-m line. a 3.0-kg object is hung from the 0.15-m line. where should a 5.0-kg object be hung to achieve equilibrium (the meter stick oriented horizontal and motionless)?
Answers: 1
question
Physics, 22.06.2019 14:30
Exercise 2. find the wavelength of a photon emitted when an electron jumps from the n = 3 energy level down to the n = 2 energy level. where is this photon in the electromagnetic spectrum?
Answers: 3
question
Physics, 22.06.2019 17:00
Amajor difference radio waves, visible light, and gamma rays is the of the photons, which results in different photon frequencies and wavelengths
Answers: 1
You know the right answer?
A certain light bulb consumes 200J of electrical energy per second, but only emits 25J of light ener...
Questions
question
Mathematics, 09.02.2021 20:20
question
Mathematics, 09.02.2021 20:20
question
Mathematics, 09.02.2021 20:20
question
Chemistry, 09.02.2021 20:20
question
Mathematics, 09.02.2021 20:20
question
History, 09.02.2021 20:20
Questions on the website: 13722367