Electrons Are Used to Produce X-Rays by Allowing a Beam

question 22

Multiple Choice

Electrons are used to produce x-rays by allowing a beam of electrons to strike a heavy metal surface. When the intensity of the electron beam is increased, this produces

• A) x-rays with longer wavelengths.
• B) x-rays with higher energy.
• C) more x-rays per unit time.
• D) faster x-rays.

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Definitions:

Fixed Costs

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

Marginal Costs

Marginal costs are the change in total costs that arise when the quantity produced is incremented by one unit, essentially the cost of producing one more unit of a good.

Average Variable Costs

Costs that change with the level of output, averaged over the total number of units produced.

Average Total Costs

The total of all production costs divided by the number of units produced, representing the per-unit cost of production.