An Air Wedge Is Formed Using Two Glass Plates That

question 24

Multiple Choice

An air wedge is formed using two glass plates that are in contact along their left edge.When viewed by highly monochromatic light, there are exactly 4001 dark bands in the reflected light.The air is now evacuated (with the glass plates remaining rigidly fixed) and the number of dark bands decreases to exactly 4000.The index of refraction of the air is:

• A)0.00025
• B)0.00050
• C)1.00025
• D)1.00050
• E)1.00000, by definition

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Definitions:

Deceive

To intentionally mislead or give a false impression to others, often to gain some advantage or hide the truth.

Divert

To change the direction or course of something, often to avoid a problem or to distract attention.

Project

A planned set of interrelated tasks to be executed over a fixed period and within certain cost and other limitations, aimed at achieving a specific goal.

Politeness Theory

Theory that people have positive perceptions of others who treat them politely and respectfully.