katjimenez katjimenez

03-08-2016
Physics

contestada

the illuminance on a surface is 6 lux and the surface is 4 meters from the light source. What is the intensity of the saurce?

Respuesta :

Edufirst Edufirst

17-08-2016

L = illuminance
A = surface
i = intensity

L = i / A ==: i = L * A

i = 6 lux * 4 m^2 = 24 lumen

Answer Link

Otras preguntas

(If a=b^x, b=c^u and c=a^z, then what is the value of xyz?)

Something nice to tell a girl

how do our law enforcement personnel serve, protect, and keep our communities safe this holiday season?

What is the shortest delay time, in milliseconds, that wouldcause two 65 Hertz sine waves to be 30 degrees out of phase? Roundyour answer to the nearest hundred

M is directly proportional to r^3 When r=4, m=160 Work out value of m when r =2

If a video gets 5000 views every 10 minutes how many hours will it take to get 60000 views

Which was a response of the British government after the event described above?A Parliament passed strict legislation to further punish the colonists. B Parliam

17. (ax + by)² + (bx - ay)² please solve it

what is computer hardware and list types of computers hardware

“an inconvenient truth” summarized with key figures please