An Electron in an Atom Initially Has an Energy 5

question 23

Multiple Choice

An electron in an atom initially has an energy 5.5 eV above the ground state energy.It drops to a state with energy 3.2 eV above the ground state energy and emits a photon in the process.The wave associated with the photon has a wavelength of:

• A)5.4 *10 ^{- 7} m
• B)3.0 *10 ^{- 7} m
• C)1.7 *10 ^{- 7} m
• D)1.2*10 ^{- 7} m
• E)1.0 *10 ^{- 7} m

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Definitions:

Number of Impressions

The total count of how often an advertisement or digital content has been displayed to viewers.

Electronic Media

Platforms or channels that use electronics or electromechanical energy to broadcast or distribute content to end-users, including radio, television, and internet-based services.

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A digital advertising model used to direct traffic to websites, where an advertiser pays a publisher (typically a website owner or a network of websites) when the ad is clicked.

Objective-and-task

A method of determining advertising budgets based on defining specific objectives and estimating the cost of tasks needed to achieve these objectives.