If an Electron, Initially at Rest, Is Accelerated Through a Potential

question 59

Multiple Choice

If an electron, initially at rest, is accelerated through a potential difference of 180 kV, the relativistic mass of the electron is

• A) 12.3 × 10^-31 kg.
• B) 9.11 × 10^-31 kg.
• C) 16.2 × 10^-31 kg.
• D) 5.90 × 10^-31 kg.
• E) infinite.

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Definitions:

Expectancy

The degree to which individuals believe that their effort will lead to effective performance and, consequently, a desired outcome.

Effort

The expenditure of physical or mental energy toward the accomplishment of a task or goal.

Valence

In psychology, refers to the intrinsic attractiveness or aversiveness of an event, object, or situation.

Range

denotes the extent or scope of something, often referring to the difference between the highest and lowest values in a set of data or the variety within a category.