The Wavelength of the Emitted Photon If an Electron in the Hydrogen

question 4

Multiple Choice

The wavelength of the emitted photon if an electron in the hydrogen atom makes a transition from the n = 2 state to the ground state is closest to which of the following values? (c = 3.0 × 10⁸ m/s,h = 6.626 × 10^-34 J ∙ s,1 eV = 1.60 × 10^-19 J)

• A)122 nm
• B)203 nm
• C)243 nm
• D)389 nm
• E)411 nm

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Definitions:

Output Level

The quantity of goods or services produced by a firm or economy in a given period.

External Benefits

Positive effects of a product or service that are enjoyed by people other than those who directly use or consume the product or service.

Private Benefits

The direct advantages or gains accruing to an individual or organization from their economic actions, excluding wider societal impacts.

Producer Surplus

The difference between the amount that producers are willing to accept for a good or service and the actual amount they receive in the market.