A Thin Beam of Light Enters a Thick Plastic Sheet

question 126

Multiple Choice

A thin beam of light enters a thick plastic sheet from air at an angle of 32.0° with the normal and continues in the sheet at an angle of 23.0° with the normal.What is the index of refraction of the plastic?

• A)0.74
• B)1.11
• C)1.28
• D)1.36

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Definitions:

Environmental Condition Indicator

A metric or measure used to assess the environmental performance or impact of an activity, product, or organization.

Management Performance Indicator

A metric used by organizations to evaluate the effectiveness and efficiency of managers in achieving business goals.

ISO14031

An international standard providing guidelines and suggestions for environmental performance evaluation within organizations.

Environmental Management Systems

Structured frameworks designed to help an organization manage its environmental responsibilities and improve environmental performance.