A Photon Is Roughly 1800 Times More Massive Than an Electron

question 85

Multiple Choice

A photon is roughly 1800 times more massive than an electron. If a proton and an electron have the same kinetic energy,

• A)the wavelength of the photon will be about 1800 times longer than the wavelength of the electron.
• B)the wavelength of the photon will be about times longer than the wavelength of the electron.
• C)the wavelength of the photon will be roughly equal to the wavelength of the electron.
• D)the wavelength of the electron will be about times longer than the wavelength of the photon.
• E)the wavelength of the electron will be about 1800 times longer than the wavelength of the photon.

---

Definitions:

Contribution Margin

The difference between sales revenue and variable costs, indicating how much revenue contributes to covering fixed costs and profit generation.

Fixed Costs

Expenses that do not vary with the level of production or sales, such as rent, salaries, and insurance.

Operating Income

Earnings before interest and taxes (EBIT), a measure of a company's profitability from its core operations.