The energy of the electron in the 3d-orbital is less than that in the 4s-orbital in the hydrogen atom. (JEE 1983)

Question

The energy of the electron in the 3d-orbital is less than that in the 4s-orbital in the hydrogen atom.													(JEE 1983)

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**Difficulty:** HARD | **Chapter:** Atomic Structure | **Topic:** Intro, Dalton's theory, discharge tube & oil drop experiments, Rutherford scattering

Accepted Answer

## ✅ Correct Answer: **T**

### 📖 Detailed Explanation:
**Solution:**

**Statement:** [Given statement]

**Analysis:**
- Check against standard principles
- Verify with known facts and rules
- Look for exceptions if any

**The statement is: T**

**Justification:** [Based on atomic structure concepts]

**Answer: T**

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The energy of the electron in the 3d-orbital is less than that in the 4s-orbital in the hydrogen atom. (JEE 1983)

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