The Light-Gathering Power of a Telescope Is Directly Proportional to

question 20

Multiple Choice

The light-gathering power of a telescope is directly proportional to

• A) the area of the primary mirror or lens.
• B) the focal length of the primary mirror or lens.
• C) the ratio of the focal lengths of its primary mirror or lens and its eyepiece.
• D) the length of the telescope tube.
• E) the diameter of the eyepiece.

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Definitions:

Horizontal Line

In a graph or diagram, a straight line that runs left to right parallel to the x-axis, indicating a constant value.

Relationship

The way in which two or more concepts, objects, or people are connected, or the state of being connected.

Slope

The measure of the steepness or incline of a line, indicating the rate of change between two variables.

Linear Regression Equation

An equation that models the linear relationship between a dependent variable and one or more independent variables.