Atoms And Nuclei Question 134

Question: The ratio of areas within the electron orbits for the first excited state to the ground state for hydrogen atom is [BCECE 2004]

Options:

A) 16 : 1

B) 18 : 1

C) 4 : 1

D) 2 : 1

Show Answer

Answer:

Correct Answer: D

Solution:

rn∝n4 Þ An∝n4
Þ A1A0=(21)4=161

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