A 190 × 10¹⁴ Hz Electromagnetic Wave Propagates in Carbon Tetrachloride

question 45

Multiple Choice

A 1.90 × 10¹⁴ Hz electromagnetic wave propagates in carbon tetrachloride with a speed of 2.05 × 10⁸ m/s.The wavelength of the wave in vacuum is closest to:

• A)1580 nm
• B)1080 nm
• C)1260 nm
• D)1420 nm
• E)1740 nm

---

Definitions:

Stepped Care

An approach to healthcare delivery that sequences treatments from the least to the most intensive to optimize resource use and patient outcomes.

Psychological Disorders

Mental health conditions characterized by disturbances in thought, emotion, or behavior, leading to personal distress or impaired functioning.

Youth

The time of life between childhood and adulthood, characterized by the development and maturation of individuals.

Pharmacotherapy Rates

The frequency or prevalence of medication use as a treatment option within a population or for specific conditions.