The Light Intensity Incident on a Metallic Surface with a Work

question 68

Multiple Choice

The light intensity incident on a metallic surface with a work function of 3 eV produces photoelectrons with a maximum kinetic energy of 2 eV.The frequency of the light is doubled.Determine the maximum kinetic energy (in eV) .

• A)3
• B)2
• C) \(\sqrt { 2 }\)
• D)4
• E)7

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Definitions:

Executive Functions

Cognitive processes including planning, working memory, attention, problem-solving, verbal reasoning, inhibition, mental flexibility, task switching, and initiation and monitoring of actions.

Temporal Lobes

Regions of the cerebral cortex located beneath the temples on each side of the brain, involved in processing auditory information and encoding memory, among other functions.

Frontal Lobes

The part of the brain located at the front of each cerebral hemisphere, responsible for problem solving, decision making, and controlling behavior and emotions.

Low Arousal

A state characterized by reduced physiological and psychological activity and responsiveness.