An early model for an atom considered it to have a positively charged point nucleus of charge Ze, surrounded by a uniform density of negative charge up to a radius R. The atom as a whole is neutral. For this model, what is the electric field at a distance r from the nucleus? (If r

Options

1. AZe 4 ₀ ( 2 r ² - r R ³ )
2. BZe 4 ₀ ( 1 r ² - r R ³ )
3. CZe 4 ₀ ( R r ² - r R ³ )
4. DZe 4 ₀ ( 1 r ² - 2r R ³ )

Correct answer

B. Ze 4 ₀ ( 1 r ² - r R ³ )

Step-by-step solution

Correct Option is : (B) Ze 4 ₀ ( 1 r ² - r R ³ )

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