The Work Function for Aluminum Is 6

question 5

Multiple Choice

The work function for aluminum is 6.53×10^-19 J. If a surface of aluminum is irradiated with 400 nm what is the maximum kinetic energy of the electrons emitted from the surface due to the photo-electric effect?

• A) 4.13×10⁵ m s^-1
• B) 5.85×10⁵ m s^-1
• C) 1.04×10⁶ m s^-1
• D) 1.20×10⁶ m s^-1
• E) no electrons will be emitted

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Definitions:

Gestalt Therapy

A form of psychotherapy focusing on self-awareness and the present moment, emphasizing experiential learning rather than interpretation.

Person-Centered Therapy

A psychological approach that emphasizes the importance of the individual's subjective experience and the therapeutic relationship, based on principles of empathy, congruence, and unconditional positive regard.

Behavior Therapies

A range of therapies that focus on changing maladaptive behaviors through techniques such as conditioning and reinforcement.

Emotional Flooding

A state where an individual feels overwhelmed by emotions to the point where it becomes difficult to think clearly or react rationally.