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Find the radius of the ninth Fresnel zone for a plane wave front, if the radius of the fourth zone is r₄ = 3 mm.
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- Content type File
- Content description 25,39 kB
- Added to the site 11.10.2022
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Timur_ed
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15 $ | the discount is 20% |
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Timur_ed
1
Cumulative discount
15 $ | the discount is 20% |
Check your discount
Amount of purchases from the seller: $
Your discount: %