The Ideal Shape for the Primary Mirror of a Telescope

question 48

Multiple Choice

The ideal shape for the primary mirror of a telescope is

• A)concave circular.
• B)convex circular.
• C)concave parabolic.
• D)convex parabolic.
• E)plane.

Identify the characteristics and outcomes of goods being substitutes or complements.

Differentiate between a change in demand and a change in quantity demanded.

Recognize how consumer income changes impact the demand for normal and inferior goods.

Analyze the effects of price changes on the demand for related goods.

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Definitions:

Is-a

A relationship where one class (subclass) is a more specific version of another class (superclass), indicating inheritance.

Relationship

In programming and databases, a connection or association between two entities such as classes or database tables.

Abstract Method

A method that is declared without an implementation in an abstract class, requiring subclasses to provide a specific implementation.

Reserved Word

A term used in programming languages that is part of the language syntax, not available for redefinition or use as an identifier.