A Diffraction Grating Has $6.00 \times 10 ^ { 3 }$

question 88

Multiple Choice

A diffraction grating has $6.00 \times 10 ^ { 3 }$ lines per centimeter ruled on it. What is the angular separation between the second and the third orders on the same side of the central order when the grating is illuminated with a beam of light of wavelength $550 \mathrm {~nm}$ ?

• A) \(50.5 ^ { \circ }\)
• B) \(40.6 ^ { \circ }\)
• C) \(30.5 ^ { \circ }\)
• D) \(20.5 ^ { \circ }\)

---

Definitions:

B Data

B Data refers to behavioral data, which includes observations of an individual's behavior in natural or controlled environments as a method of psychological assessment.

IQ Tests

Standardized tests designed to measure human intelligence and cognitive abilities relative to a population.

TAT

Thematic Apperception Test, a projective psychological test used to examine a person's patterns of thought, attitudes, observational capacity, and emotional responses.

Psychologist

A Psychologist is a professional specializing in the study of the mind and behavior, often working in research, education, health, and therapy to understand and support human welfare.