Which of These Optical Elements or Combinations Make Up a Newtonian

question 156

Multiple Choice

Which of these optical elements or combinations make up a Newtonian telescope?

• A) two curved mirrors, one concave, the second convex
• B) two lenses, to produce an image the correct way around
• C) one concave and one flat mirror
• D) one concave focusing mirror

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Definitions:

Horizontal Analysis

A financial analysis technique that compares line items in financial statements over a series of periods to identify trends and growth patterns.

Quick Ratio

The quick ratio, also known as the acid-test ratio, is a measure of a company's ability to meet its short-term obligations using its most liquid assets, excluding inventory.

Current Ratio

A financial ratio indicating how well a company can cover its short-term debts with assets that can be quickly converted into cash within a year.

Decimal Place

The position of a number to the right of the decimal point, used to represent fractions of a whole in decimal notation.