When the Electron in a Hydrogen Atom Falls from Its $\lambda$

question 45

Multiple Choice

When the electron in a hydrogen atom falls from its first excited energy level to the ground state energy level, a photon with wavelength $\lambda$ is emitted. A proton having this same wavelength would have a velocity of

• A)3.87 m/s
• B)5990 m/s
• C)1.21 * 10^-7 m/s
• D)3.26 m/s
• E)5.99 m/s

Understand the process of adding tables to the data model in Excel.

Understand the importance and functionality of relationships between tables in a data model.

Know the steps to customize Excel interface to add Power Pivot to the ribbon.

Understand how to use Power Pivot for data analysis.

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Definitions:

Exchange Rate

is the value of one currency for the purpose of conversion to another.

Euro

The recognized form of money in the eurozone, utilized by 19 of the 27 countries that are part of the European Union.

Nominal Exchange Rate

The exchange rate at which the currency of one nation can be exchanged for the currency of another nation, without considering inflation adjustments.

Purchasing-Power Parity

An economic theory that compares different countries' currencies through a basket of goods approach, to evaluate the relative purchasing power.