Two Beams of Coherent Light Are Shining on the Same

question 76

Multiple Choice

Two beams of coherent light are shining on the same piece of white paper. With respect to the crests and troughs of such waves, darkness will occur on the paper where:

• A) the crest from one wave overlaps with the crest from the other.
• B) the troughs from both waves overlap.
• C) the crest from one wave overlaps with the trough from the other.
• D) darkness cannot occur as the two waves are coherent.

---

Definitions:

Piece Rate Plans

Compensation systems where employees are paid based on the quantity of work completed or units produced, which can motivate higher productivity.

Merit Pay

A compensation strategy that provides salary increases or bonuses based on employee performance achievements.

Standard Hour Plans

Compensation systems where workers are paid based on a fixed rate for each unit of production completed within a standard time.

Stock Ownership

Refers to holding shares or equity in a company, which can be a form of compensation or investment, aligning employees' interests with the organization's success.