The Wavelength of a Ruby Laser Is 694

question 17

Multiple Choice

The wavelength of a ruby laser is 694.3 nm. What is the energy difference between the two energy states involved in laser action?

• A)1.537 eV
• B)1.646 eV
• C)1.786 eV
• D)1.812 eV
• E)3.572 eV

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Definitions:

Theory Y

A management approach based on the belief that employees are intrinsically motivated and will seek out responsibility and development if given the opportunity.

Self-fulfilling Prophecies

Situations where an initially false expectation leads to its own confirmation because the expectation influences behavior to make it true.

Theory X

A management theory assuming that employees are inherently lazy and will avoid work if they can, thus needing to be closely supervised and controlled.

Theory Y

A management concept that assumes employees are intrinsically motivated, seek responsibility, and can be creative, suggesting a participative approach to management.