Multiple choice

Which of the following statements is/are TRUE? (1) Total number of orbitals in a shell with principal quantum number ‘n’ is n2. (2) Azimuthal quantum number determines the orientation of the orbital. (3) Stark effect is splitting of spectral lines under the influence of electric field. (4) Zeeman effect is splitting of spectral lines under the influence of magnetic field.

  1. Only 1

  2. Only 1 and 2

  3. Only 1, 3 and 4

  4. Only 2 and 3

  5. Only 2 and 4
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A Correct answer
Explanation

Total number of orbitals in a shell with principal quantum number ‘n’ is n2.

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