subject
Physics, 26.03.2020 03:34 yyy77uh

A 60-W light bulb radiates electromagnetic waves uniformly in all directions. At a distance of 1.0 m from the bulb, the light intensity is I0, the average energy density of the waves is u0, and the rms electric and magnetic field values are E0 and B0, respectively.

a. At 2.0 m from the bulb, what is the light intensity?

b. At 2.0 m from the bulb, what is the rms magnetic field value?

c. At 2.0 m from the bulb, what is the average energy density of the waves?

ansver
Answers: 2

Another question on Physics

question
Physics, 21.06.2019 16:30
Which statement best describes resistance? resistance is a. how well a current will flow in a material and is measured in volts. b. how well a material conducts an electrical charge and is measured in ohms. c. the ability of a material to attract a positive charge to create a current. d. the ability of a material to repel neutral charges and is measured in ohms.
Answers: 3
question
Physics, 22.06.2019 00:00
Name three different units of energy used to measure heat and describe what type of situations each is usually used.
Answers: 2
question
Physics, 22.06.2019 02:00
Ineed asap! list 3 examples in which friction us or makes things easier in our daily life. explain the effect of friction for each. *make sure you explain the effect of friction for each example! *
Answers: 1
question
Physics, 22.06.2019 15:50
Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?
Answers: 1
You know the right answer?
A 60-W light bulb radiates electromagnetic waves uniformly in all directions. At a distance of 1.0 m...
Questions
question
Mathematics, 22.10.2019 23:00
question
Chemistry, 22.10.2019 23:00
Questions on the website: 13722363