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

Where does Mr. Edwards tell Laura and Mary that he meets Santa? A. by the fireplace in his home B. coming down the street in Independence Town C. in t

Individuals with hiv sometimes contract secondary infections that are rare in the rest of the population. this is because people with hiv a. are unable to figh

Find the distance between the pair of points. (-5,2) (2,-2)

A yapping dog comes racing from the town

How did the mongols accomplish the conquest of such a large territory within such a short period of time?

1. Use the quadratic formula to solve the equation. -2x^2+3x+5=0

What are the roots of 12x = 9 + 5x2?

Five powers of Congress and how they help American citizens?

Ron started a new job which paid him $60 for the first day of training. after the first day, he will be paid $7 per hour. write a linear equation modeling ron's

F=5/9c+32 Solve for c