A Helium-Neon Laser (λ = 632

question 28

Multiple Choice

A helium-neon laser (λ = 632.8 nm) is used to calibrate a diffraction grating. If the first-order maximum occurs at 20.5°, what is the line spacing, d?

• A) 1.81 × 10−⁶ m
• B) 1.00 × 10−⁵ m
• C) 1.00 × 10−⁴ m
• D) 1.31 × 10−⁶ m
• E) 6.76 × 10−⁷ m

---

Definitions:

Innate Psychology

Theoretical concept suggesting that aspects of human psychology are inherent and present at birth, rather than learned through experience.

Generational Difference

The social, cultural, and technological disparities observed between different age cohorts or generations.

Age Cohorts

Groups of people categorized based on their age, often used in social science for statistical analyses and comparisons across generations.

Rites of Passage

Ceremonial events that mark an individual's transition from one status to another within their society.