SATHEE: Atoms And Nuclei Question 420

Atoms And Nuclei Question 420

Question: Energy of an electron in an excited hydrogen atom is - 3.4 eV. Its angular momentum will be: $h = 6.626 \times 10^{- 34} J - s$

Options:

A) $1.11 \times 10^{34} J \sec$

B) $1.51 \times 10^{- 31} J \sec$

C) $2.11 \times 10^{- 34} J \sec$

D) $3.72 \times 10^{- 34} J \sec$

Show Answer

Answer:

Correct Answer: C

Solution:

The electron is in the second orbit (n=2) Hence $= 2.11 \times 10^{- 34} J - s e c$

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Atoms And Nuclei Question 420

Question: Energy of an electron in an excited hydrogen atom is - 3.4 eV. Its angular momentum will be: h=6.626×10−34J−s

Options:

Answer:

Solution:

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Question: Energy of an electron in an excited hydrogen atom is - 3.4 eV. Its angular momentum will be: $h = 6.626 \times 10^{- 34} J - s$