Questions You Should Consider Before You Decide How and When

question 27

Multiple Choice

Questions you should consider before you decide how and when to make a major purchase include all except

• A)do I have the cash I need for a down payment
• B)do I want to use my savings for this purchase
• C)could I postpone this purchase
• D)what are the psychological costs of using credit (being in debt and responsible for monthly payments)
• E)all these questions should be considered

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Definitions:

Condensers

In the context of laboratory equipment, condensers are devices used to cool vapors and condense them into liquids; in electrical engineering, they are an older term for capacitors, components that store electrical energy.

Oil-Immersion Objective

A microscope objective lens designed to be used with a drop of oil to increase resolution by reducing refraction of light.

Total Magnification

The overall enlargement of an image seen with a microscope, calculated by multiplying the objective lens magnification by the ocular lens magnification.

Depth of Field

In photography and optics, the distance between the nearest and the furthest objects that are in acceptably sharp focus.