Arrays of Radio Telescopes Can Produce Much Better Resolution Than

question 67

Multiple Choice

Arrays of radio telescopes can produce much better resolution than single-dish telescopes because they work based on the principle of

• A) reflection.
• B) refraction.
• C) dispersion.
• D) diffraction.
• E) interference.

---

Definitions:

Barriers to Entry

Factors that prevent or hinder companies from entering a particular market, such as high start-up costs, strict regulations, or strong competition.

Concentration Ratio

An economic indicator that measures the market share of the largest firms within an industry, used to assess competitiveness.

Industry Output

The total production of goods and services by all firms in a specific industry.

Concentration Ratio

A measure indicating the market share of the largest firms in an industry to assess the degree of competition.