8. A car moved 20 km East and 70 km West. What is the distance?
2 answers:
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Λ![= 550 * 10^{-9}\] m. D = 3.50*10^-6 m.](https://tex.z-dn.net/?f=%20%3D%20550%20%2A%2010%5E%7B-9%7D%5C%5D%20m.%0A%0AD%20%3D%203.50%2A10%5E-6%20m.)
Then you need to find x when n=1
or
≈θ for θ<<1 , so θ=
Then you can find rhe distance of<span> bright fringe from the center:</span>
Then you need to find x when n=1
or
≈θ for θ<<1 , so θ=
Then you can find rhe distance of<span> bright fringe from the center:</span>