The Wavelength of a Ruby Laser Is 694

question 20

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? (c = 2.9979 × 10⁸ m/s, h = 6.626 × 10^-34 J ∙ s, 1 eV = 1.6022 × 10^-19 J)

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

Understand forms of knowledge management and the purposes they serve within organizations.

Recognize the challenges and benefits of surveillance and monitoring practices in the workplace.

Understand the role of analytics and big data in organizational decision-making and efficiency.

Identify the consequences of constant connectivity and the reliance on digital devices in the professional and personal realms.

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Definitions:

Maturity

The expiration date of a financial instrument, at which point the principal is to be paid back to investors.

Emerging Market Country

Refers to a nation with social or business activity in the process of rapid growth and industrialization.

Brazil

A South American country known for its diverse culture, rainforest, and large economy, also a significant player in global agricultural and energy markets.

Commercial Paper

An unsecured, short-term debt instrument issued by companies to finance their immediate needs.