The Graph Shows the Kinetic Energy of Photoelectrons Ejected from a Certain

question 141

Multiple Choice

The graph shows the kinetic energy of photoelectrons ejected from a certain metal as a function of the frequency of the light incident upon the metal. The work function of this metal is

• A) 33 × 10^-20 J.
• B) 20 × 10^-20 J.
• C) 10 × 10^-20 J.
• D) 5 × 10^-20 J.
• E) None of these is correct.

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Definitions:

Cognitive-Behavioral

Relating to a therapeutic approach that addresses dysfunctional emotions, behaviors, and cognitions through a goal-oriented, systematic process.

Mindfulness Behavioral

An approach focusing on cultivating awareness of the present moment, often used in psychological therapies to improve mental health.

Comorbid

The occurrence of one or more supplementary illnesses or conditions alongside a main disease or disorder.

Dialectical Behavior Therapy

A type of cognitive-behavioral therapy aimed at teaching individuals skills to cope with stress, regulate emotions, and improve relationships, originally developed for treating borderline personality disorder.