Please cheak and answer my question?

Question

A single slit has a width of 0.008mm. A 680 nm light is shone through it. A screen 8m away shows the diffraction patteren.

What is thangle of the fourth nodal line?

is the answer for this 17 degrees

How much brighter is the central maximum than the fifth maximum to the right?

What is the angle of the centre of the third maxima to the right?

Answer 1

im not good with thatt

that kinda stuff lol

go to ask.com and ask that lol

Answer 2

Its 45 dps brighter

and the angle is 56 degrees.