The Rectangular Metal Tank Shown Is Filled with an Unknown

question 75

Multiple Choice

The rectangular metal tank shown is filled with an unknown liquid.The observer, whose eye is level with the top of the tank, can just see corner E.The index of refraction of this liquid is:

• A)1.75
• B)1.67
• C)1.50
• D)1.33
• E)1.25

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Definitions:

Park Visitation Fee

A charge imposed on visitors for access to a park, used to fund conservation efforts, maintenance, and improve the visitor experience.

National Parks

Protected areas of natural significance designated by national governments for conservation purposes, and for the enjoyment and recreation of the public.

Marginal Benefit

The additional satisfaction or utility gained from consuming or producing one more unit of a good or service.

Pollution Emission Permits

Licenses or allowances issued by governments that grant the holder the right to emit a specific quantity of pollutants into the environment.