A Light Emitting Diode Emits Light of Approximate Wavelength 670

question 23

Multiple Choice

A light emitting diode emits light of approximate wavelength 670 nm. What is the band gap?

• A)1.86 eV
• B)4.14 eV
• C)1.80 eV
• D)3.72 eV
• E)2.70 eV

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Definitions:

Test-retest Reliability

A measure of the consistency of a psychological test or assessment over time when administered to the same individuals.

Internal Consistency

A measure of the reliability of a psychological test or assessment, based on the correlation between multiple items or components of the test.

Alternate Form

A variant or different version of something, often used in the context of tests or assessments to reduce the effect of memorization or test practice.

Inter-rater

A measure of agreement among different people rating or assessing the same thing, ensuring consistency in evaluations across different observers.