This time you put a nucleus with 11 protons on the x-axis at x = 6.1 Angstroms. There will be a place on the x-axis where the total electric field is zero. At what value of x does this occur?

Principles of Physics: A Calculus-Based Text
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Chapter30: Nuclear Physics
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7) This time you put a nucleus with 11 protons on the x-axis at x = 6.1 Angstroms. There will be a place on the x-axis where the total electric field is zero. At what value of x does this occur?
   
1.68 Angstroms
   
0.84 Angstroms
   
-2.63 Angstroms
   
-2.10 Angstroms

 

Expert Solution
Step 1

In this question, a nucleus carrying 11 protons is placed along the positive X-axis at a distance of Physics homework question answer, step 1, image 1 from the origin and an electron is also placed at the origin.

Step 2

Hence, the point where electric field due to this system is zero will be on the negative X-axis nearby the electron to balance electric field due to the nucleus as well as the electron.

Assuming the point to be situated at a distance of Physics homework question answer, step 2, image 1from the electron on the negative X-axis. Thus, its distance from the nucleus will be Physics homework question answer, step 2, image 2

These distance are measured in angstroms.

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