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

i need it knowplsss

How can I solve this?

A crate is moved across a frictionless floor by a rope THAT is inclined 30 degrees above horizontal. The tension in the rope is 50 N. How much work is done in m

5. If the longer side of the rectangle is 25.5 in., what are its width, perimeter, and area?

The radius of a semicircle is 19.6 metres. What is the semicircle's area?

If your goal is to obtain information about laws governing special education policies in elementary schools, which of these searches would return the best resul

Item 11 In the table, Pattern A uses the rule "add 5" and Pattern B uses the rule "add 10." Pattern A 10 15 20 25 30 Pattern B 20 30 40 50 60 Which statement is

Which equation can be used to solve for x in the following diagram.

what is the sum of the ten thousand digit and the million's digit of 1,234,567,890

A rancher raises 5 times as many cows as horses. If he has 132 animals