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Electromagnetic Radiation with a Frequency of 8

question 80

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Electromagnetic radiation with a frequency of 8.6 *1014 Hz incident on an unknown metal surface causes ejection of photoelectrons with kinetic energies of 1.3 *10-19 J. What is the unknown metal?


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Self-serving Bias

The common habit of a person taking credit for positive events or outcomes, but blaming outside factors for negative events.

Success

The achievement of set goals or the attainment of wealth, position, honors, or the like.

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The use of physical or mental energy to achieve something.

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Instances or occasions of not achieving a desired or intended outcome, often used to describe unsuccessful attempts in various contexts.

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