The Work Function of a Certain Material Is 4

question 64

Multiple Choice

The work function of a certain material is 4.9 eV.What is the photoelectric minimum (threshold) frequency for this material?

• A)1.18 * 10¹⁵ Hz
• B)2.23 * 10¹⁵ Hz
• C)9.01 * 10¹⁴ Hz
• D)3.48 * 10¹⁵ Hz
• E)2.56 * 10¹⁵ Hz

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Definitions:

DSM-IV-TR

The fourth edition, text revision of the Diagnostic and Statistical Manual of Mental Disorders, a guide used by healthcare professionals to diagnose mental disorders.

DSM-IV-TR

The fourth edition, text revision, of the Diagnostic and Statistical Manual of Mental Disorders, a guide for diagnosing mental disorders.

Observable Behavior

Actions or reactions of an individual that can be noticed, measured, and recorded by others.

Reliability

The degree to which an assessment tool produces stable and consistent results over multiple administrations or applications.