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

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Definitions:

Output

The total amount of goods or services produced by an individual, firm, or country over a specific period.

Marginal Product

The additional output that is produced by using one more unit of a particular input, while keeping other inputs constant.

Worker

An individual who performs labour for a company or another person in exchange for compensation.

Diminishing Returns

A rule that implies that after reaching a certain threshold, the profit rate from investing more into a specific sector won't keep rising unless there are changes in other contributing factors.