Spectrophotometers Employ Various Sources of Light

question 9

Multiple Choice

Spectrophotometers employ various sources of light.Which of the following is NOT true for spectrophotometer light sources?

• A)Tungsten lamps emit radiation over the visible spectrum and parts of the ultraviolet and infrared spectrums.
• B)Dueterium arc lamps use controlled electric discharges to cause D₂ to dissociate and emit visible radiation.
• C)Light emitting diodes emit narrow bands of visible and near-infrared radiation.
• D)Lasers emit radiation of a single wavelength.
• E)A silicon carbide globar emits infrared radiation when heated to near 1500 K.

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Definitions:

Managers and Coworkers

The relationship dynamics and interactions between supervisory personnel (managers) and the employees (coworkers) they oversee.

Customers

Individuals or organizations that purchase goods or services from a business, playing a crucial role in the success and sustainability of the business.

Harassment

Unwanted conduct that creates an intimidating, hostile, degrading, humiliating or offensive environment for an individual.

Stakeholder Ethics

The principles and standards that guide the behavior of individuals and organizations in considering the interests of all stakeholders.