What Is the Minimum Thickness of the Air Layer Between

question 8

Multiple Choice

What is the minimum thickness of the air layer between two flat glass surfaces if the glass is to appear bright when 450 nm light is incident normally?

• A) 57.0 nm
• B) 113 nm
• C) 170 nm
• D) 226 nm

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Definitions:

Primary Cell

A voltaic cell that cannot be recharged.

Secondary Cell

A voltaic cell that can be recharged.

Cathode

An electrode through which electrons move outward from the source in an electrical device; in a battery, it's the negative electrode.

Voltaic

Pertaining to electricity or electrical phenomena, especially those produced chemically, e.g., in voltaic cells where chemical energy is converted into electrical energy.