Energy of electron in nth orbit of Hydrogen atom | Numericals by Physics Advocate

Q1.

How much energy is needed to relocate an electron from first excited state to fourth excited state in an Hydrogen atom? Also, find the type of light needed in this process.

Q2.

Find the wavelength of light released when an electron jumped from 4th excited state to ground state in an Hydrogen atom. Also, name the series.

Q3.

Find the wavenumber of light released when an electron jumped from 5th excited state in bracket series (in H - atom).

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Q4.

An electron absorbed 2.55 eV energy and jumped from first excited state to nth excited state. Find n.

Q5.

when an electron jumped from second excited state to some different state, UV ray was released. Name the state and find the frequency of the UV ray.

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ANSWERS

Ans1. 2.86 eV

Ans2. 99 nm

Ans3. 0.375 × 10⁶ m-¹

Ans4. n = 3

Ans5. 2.90 × 10¹⁵ Hz

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