doinaWca8ldestf5ormy doinaWca8ldestf5ormy

01-11-2016
Physics

contestada

According to the inverse square law of light, how will the apparent brightness of an object change if its distance to us triples?

Respuesta :

antonsandiego antonsandiego

03-11-2016

According to the inverse square law of light, apparent brightness will decrease by a factor of 9. Use the formula [tex]B=L/(4*pD^2)[/tex], to check it.

Answer Link

Otras preguntas

If a person wanted to purchase their dream car, and keep it for many years, should they lease or buy? Why? (Site 1)

Which best describes the underlined words in the sentence?

The process by which chloroplasts were derived from photosynthetic bacteria is called

Cell membranes are structured so that molecules can pass in and out if the cell across them. While both plant and animal cells have membranes, plant cells also

The stratospheric ozone layer is important to ecosystems because it ________.

Gabrielle is 15 years older than mikhail. the sum of their ages is 109 . what is mikhail's age?

Which of the following are characteristics of Zygomycota? Check all that apply. -lack reproduction phase -spores produced in basidia -spores produced in zygospo

How do federal judges get their jobs and where is that process described in the constitution?

An emt uses the abbreviation cpap when speaking to another emt. this is an appropriate use of an abbreviation because:

What was the attitude of freedpeople toward education after the end of the civil war?