Two Beams of Coherent Light Start Out at the Same

question 4

Multiple Choice

Two beams of coherent light start out at the same point in phase and travel different paths to arrive at point P.If the maximum destructive interference is to occur at point P,the two beams must travel paths that differ by

• A)a whole number of wavelengths.
• B)an odd number of half-wavelengths.
• C)a whole number of half-wavelengths.

---

Definitions:

Intellectual Performance

A measure of cognitive function and ability in tasks requiring thinking, problem-solving, and other mental processes.

Self-control

The ability to regulate one's emotions, thoughts, and behaviors in the face of temptations and impulses.

Permissive

Referring to a parenting or management style characterized by low demands with high responsiveness, often allowing considerable self-regulation.

Impulsiveness

A tendency to act on a whim, displaying behavior characterized by little or no deliberation, reflection, or consideration of the consequences.