Two Beams of Coherent Light Travel Different Paths Arriving at Point

question 47

Multiple Choice

Two beams of coherent light travel different paths arriving at point P. If the maximum constructive interference is to occur at point P, what should be the phase difference between the two waves?

• A) The phase difference between the two waves is π/4.
• B) The phase difference between the two waves is π/2.
• C) The phase difference between the two waves is π.
• D) The phase difference between the two waves is 2π.
• E) The phase difference between the two waves is 5π/2.

---

Definitions:

Degree of Monopoly

The extent to which a firm or a few firms control the market share of a particular product or service, indicating the level of market power.

Interindustry Competition

Competition among companies that produce different types of goods or services but compete for the same consumer dollars.

Foreign Competition

The competitive pressure domestic companies face from products and services offered by foreign firms in the same market.

Concentration Ratios

Concentration ratios measure the proportion of market share controlled by the largest firms within an industry, indicating the level of competition.