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NEET2010PhysicsAtomic PhysicsActual

What would be the radius of second orbit of He ⁺ ion?

Options

  1. A1.058 Å
  2. B3.023 Å
  3. C2.068 Å
  4. D4.458 Å

Correct answer

A. 1.058 Å

Step-by-step solution

r= n^2 Z 0.529 For He ⁺, n=2, Z=1 aligned & r= 4 2 0.529 & =1.058 Å aligned

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