Solution to task 628 from Chertov's for extramural stud

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628. A monoenergetic electron beam illuminates a spot with a radius of r ≈ 10-3 cm in the center of the screen of a cathode-ray tube. Using the uncertainty relation, find how many times the uncertainty Δx: the coordinates of an electron on the screen in the direction perpendicular to the tube axis are less than the spot size r. The length L of the cathode-ray tube is taken equal to 0.50 m, and the voltage U, accelerating the electron, equal to 20 kV.

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  • Content type File
  • Content description 26,84 kB
  • Added to the site 17.12.2020

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0 000 X
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Solution to task 628 from Chertov´s for extramural stud
0 000 X
Secure deal
Instant delivery

Cumulative discount

200 $ the discount is 15%
100 $ the discount is 10%
50 $ the discount is 7%
20 $ the discount is 5%
10 $ the discount is 3%
5 $ the discount is 2%
1 $ the discount is 1%
Check your discount

Amount of purchases from the seller:  $

Your discount:  %

0.04 $ gift card for a positive review

Cumulative discount

200 $ the discount is 15%
100 $ the discount is 10%
50 $ the discount is 7%
20 $ the discount is 5%
10 $ the discount is 3%
5 $ the discount is 2%
1 $ the discount is 1%
Check your discount

Amount of purchases from the seller:  $

Your discount:  %

0.04 $ gift card for a positive review

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