Resolving Power: a Radio Telescope 200 M in Diameter Is

question 2

Multiple Choice

Resolving power: A radio telescope 200 m in diameter is used to investigate sources emitting a 21-cm wavelength wave. What is the minimum angular separation of the sources that can be resolved by this system?

• A) 0.073°
• B) 0.030°
• C) 0.0013°
• D) 0.154°
• E) 0.0026°

---

Definitions:

Inventory Turnover Ratio

A measure of how quickly a company sells its inventory in a given period, calculated by dividing the cost of goods sold by the average inventory.

Liquidity Ratio

A financial metric indicating how quickly a company can convert assets into cash to meet short-term obligations.

Return On Assets Ratio

A financial metric that measures the profitability of a company relative to its total assets, indicating how efficiently a company uses its assets to generate profits.