A Quantum of Radiation Has an Energy of 2

question 17

Multiple Choice

A quantum of radiation has an energy of 2.0 keV.What is its frequency? (h = 6.63 x 10^-34 J*s and 1 eV = 1.60 x 10^-19 J)

• A)3.2 x 10¹⁷ Hz
• B)4.8 x 10¹⁷ Hz
• C)6.3 x 10¹⁷ Hz
• D)7.3 x 10¹⁷ Hz

---

Definitions:

Erikson's Theory

A theoretical framework proposed by Erik Erikson that outlines eight stages of psychosocial development throughout the lifespan, from infancy to late adulthood.

Psychosocial Needs

The aspects of psychological and social well-being that must be addressed to support an individual's overall health and satisfaction.

Basic Virtue

Fundamental qualities of decency that are crucial for societal functioning and interpersonal relationships.

Progressive Dementia

A decline in cognitive function due to damage or disease in the brain beyond what might be expected from normal aging.