A Typical Refracting Telescope Is Made Up of

question 88

Multiple Choice

A typical refracting telescope is made up of

• A) a long-focal-length lens at the front and a short-focal-length lens at the rear (next to a person's eye as one looks through the telescope).
• B) two mirrors, one concave, the other convex.
• C) a mirror that gathers and focuses the light and a lens next to a person's eye through which one examines the image.
• D) a short-focal-length lens at the front and a long-focal-length lens at the rear (next to a person's eye as one looks through the telescope).

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Definitions:

Future Income

Expected earnings or revenue that an individual or business anticipates receiving in the future.

Interest Rate

The percentage charged on the total amount of borrowed money or paid on saved or invested capital.

Interest Rate

The part of a loan that is taken as interest from the borrower, customarily presented as an annual percentage of the still unpaid loan.

Present Value

The current worth of a future sum of money or stream of cash flows, given a specific rate of return.