When a Small Amount of Silver Is Added to Zinc

question 171

Multiple Choice

When a small amount of silver is added to zinc sulfide as an activator,the band gap of the resulting material is approximately 266 kJ/mol.If it were used as a light-emitting diode,what color of light would be emitted?

• A)ultraviolet
• B)infrared
• C)red
• D)yellow
• E)blue

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Definitions:

Henri Fayol

A French engineer and theorist, recognized for developing one of the first comprehensive theories of management in the early 20th century.

Henry Mintzberg

A renowned Canadian academic and author known for his work on business and management structures, strategy, and organizational effectiveness.

Henry Ford

An American industrialist and business magnate, founder of the Ford Motor Company, and sponsor of the development of the assembly line technique of mass production.

Frederick Herzberg

An American psychologist best known for introducing the two-factor theory of motivation, distinguishing between hygiene factors and motivators.