The Reflective Layer

question 13

Multiple Choice

The reflective layer

• A) absorbs and reduces static.
• B) gives the imaging sheet strength.
• C) protects the back of the cassette.
• D) sends light in a forward direction.

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Definitions:

Independent Variable

The variable that is intentionally changed or manipulated in an experiment to observe its effect on the dependent variable.

Dependent Variable

In experimental and statistical research, the variable being tested and measured, subject to change under the influence of the independent variable.

Hypothesis

A proposed explanation for a phenomenon, made as a starting point for further investigation.

Theory

A system of ideas or principles intended to explain certain phenomena or observations, grounded in evidence and subject to testing.