In a Simple Picture of the Hydrogen Atom,the Electron Moves $\times$

question 30

Multiple Choice

In a simple picture of the hydrogen atom,the electron moves in circular orbits around the central proton attracted by the Coulomb force.The lowest (n = 1) energy orbit that is allowed for the electron is at a radius of 5.29 $\times$ 10^-11 m and the second (n = 2) lowest allowed orbit is at 4 times this radius.Calculate the magnetic field strength at the proton due to the orbital motion of the electron in the n = 2 state.

• A)0 T
• B)6.3 T
• C)0.39 T
• D)12.5 T
• E)None of the above

---

Definitions:

National Radio

A broadcasting service that is owned, financed, or regulated by the government of a country and serves the entire nation.

Stock Market Crash

Also known as Black Tuesday, a stock market panic in 1929 that resulted in the loss of more than $10 billion in market value (worth approximately ten times more today). One among many causes of the Great Depression.

Great Depression

A severe worldwide economic downturn that lasted from 1929 to the late 1930s, marked by mass unemployment, deflation, and widespread poverty.

Liberation and Freedom

Conditions or states of being freed from restraint or oppression, often related to political, social, or economic contexts.