Question

The intensity of light from a light source varies inversely as the square of the distance from the light source. Write an equation for the variation. Use k as the constant, i for the intensity of the light, and d for the distance.

Answer 1

ok so wt problem r u facing?

Answer 2

i mean which part...

Answer 3

rmbr in previous question how did i derived the relationship btw y and x.... do the same here except here it is square of distance.. :)

Answer 4

i=kd^2?

Answer 5

i=k/d^2?

Answer 6

yes

Answer 7

So which one?

Answer 8

the second one