What Is the Energy of an Incident Photon That Is

question 1

Multiple Choice

What is the energy of an incident photon that is just enough to excite a hydrogen atom from its ground state to its n = 4 state?

• A) 12.75 eV
• B) 10.20 eV
• C) 3.40 eV
• D) 0.85 eV

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Definitions:

Anticipated Markup

The expected percentage added to the cost of goods to calculate the selling price, aiming for profit.

Elastic Demand

A situation where demand for a product or service significantly changes in response to changes in price.

Inelastic Demand

A situation where the demand for a product or service does not significantly change in response to price changes, indicating consumers' strong need or preference for the product.

Sensitive to Price

Sensitive to price describes a situation where demand for a product is highly affected by changes in its price.