Use the Following Figure for the Next Problem $\varPsi$ = a Sin (Kx -

question 88

Multiple Choice

Use the following figure for the next problem.
-An electron that is not localized in space is described by the wave function $\varPsi$ = A sin (kx - $\omega$ t) .The kinetic energy of the electron is 10 keV.The value of $\omega$ is approximately

• A)1.5 \(\times\) 10¹⁹ s^-1
• B)3.0 \(\times\) 10¹⁹ s^-1
• C)4.5 \(\times\) 10¹⁹ s^-1
• D)1.5 \(\times\) 10²¹ s^-1
• E)3.0 \(\times\) 10²¹ s^-1

---

Definitions:

Voter Type

Refers to categories of voters distinguished by specific characteristics such as political preference, age, or socioeconomic status.

Arrow Impossibility Theorem

A principle stating that no rank-order voting system can be designed that always satisfies three fairness criteria: non-dictatorship, unrestricted domain, and independence of irrelevant alternatives.

Social Choice

The study of collective decision processes and voting systems, analyzing how individual preferences are aggregated to reach a collective decision or social welfare outcome.

401(k) Plans

Retirement savings plans sponsored by employers, allowing employees to invest a portion of their paycheck before taxes are taken out.