Energy Carried by Electromagnetic Waves Video Lessons

Video Thumbnail

Concept

Problem: Which of the following occurs as light travels farther from its source? (1 point)a. Far from the source, photons come together in a small area.b. The intensity of light increases as photons move away from the source.c. The source gives off less light as photons move away from it.d. Far from the source, photons spread over a larger area.

FREE Expert Solution

We are required to state the effect of one of the laws governing brightness. 

Apparent brightness:

B=L4πd2 where B is apparent brightness, L is intrinsic luminosity, and d is the distance from the source. 

93% (7 ratings)
View Complete Written Solution
Problem Details

Which of the following occurs as light travels farther from its source? (1 point)
a. Far from the source, photons come together in a small area.
b. The intensity of light increases as photons move away from the source.
c. The source gives off less light as photons move away from it.
d. Far from the source, photons spread over a larger area.

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Energy Carried by Electromagnetic Waves concept. You can view video lessons to learn Energy Carried by Electromagnetic Waves. Or if you need more Energy Carried by Electromagnetic Waves practice, you can also practice Energy Carried by Electromagnetic Waves practice problems.