Compare the radius and velocity of an electron in 2nd orbit of hydrogen and dueterium.
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Compare the radius and velocity of an electron in 2nd orbit of hydrogen and dueterium.
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Answer:
Now that the electron is excited to second orbit. So as per the Virial theorem, Total energy = -Kinetic energy − 13.6 / n 2 eV = − 1 / 2 ∗ m ∗ v 2. For second orbit, n=2. 13.6 / 4 eV = 1 / 2 ∗ 9.1 ∗ 10 − 31 ∗ v 2. 3.4 eV. We know, eV Joules. Hence, Joules . This gives, Velocity of an electron in second orbit m/s = m/s
Explanation: