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Physics
Muhammad:

blue light (λ = 475 nm) is sent through a single slit with a width of 2.1 µm. What is the maximum possible number of bright fringes produced on the screen?

9 months ago
Vocaloid:

@Nnesha @nuts iprobablyshouldknowthisbutidont would you mind assisting?

9 months ago
Vocaloid:

@Michael would you by chance know how to solve this?

9 months ago
Michael:

You will see a bright line with lines of decreasing intensity either side. You can find the distance from the centre of each line but you need the distance from the screen.

9 months ago
nuts:

it really depends on how you decide to define "bright" You can get the single slit diffraction equations from http://www.animations.physics.unsw.edu.au/jw/light/single-slit-diffraction.html notice that the intensity function is a sinc (sin x/x) function. This means that you will get an infinite number of fringes with harmonically decreasing intensity. Where you choose to make that cutoff is up to you.

9 months ago
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