Question

Light passes through a double
slit and produces images on a screen that is 20.0 m away.
If the second-order bright image is form
ed at a distance of
0.720 m from the central
maximum, how far from the central maximu
m will the third-order bright image be
formed?

Answer 1

i know the formula to use is wavelenth=xd/nl , but i am confused they give info about the 2nd order and then they ask for the 3rd? kinda confusd

Answer 2

@IrishBoy123

Answer 3

d=20,x=0.720,n=2, right?

Answer 4

@Michele_Laino

Answer 5

@Astrophysics

Answer 6

@Michele_Laino

Answer 7

@abb0t

Answer 8

@Michele_Laino

Answer 9

u there?

Answer 10

?