Ninety Percent of Light Incident on a Certain Piece of Glass

question 64

Multiple Choice

Ninety percent of light incident on a certain piece of glass passes through it. How much light passes through two pieces of this glass?

• A)80%
• B)81%
• C)85%
• D)89%
• E)90%

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Definitions:

Surveys

A method of gathering data from a large number of people, typically by asking a series of questions.

Evaluation Research

A systematic method for collecting, analyzing, and using information to answer questions about projects, policies, and programs, particularly about their effectiveness and efficiency.

Secondary Data Analysis

The process of analyzing data that was collected by someone else for a different purpose.

Ethical Violations

Actions or behaviors that breach established codes of conduct or moral principles, often resulting in professional or legal consequences.