A Radio Telescope 200 M in Diameter Is Used to Investigate

question 9

Multiple Choice

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°

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Definitions:

Journal Entry

A record in accounting that logs every financial transaction a business makes, showing which accounts are affected and by how much.

Accumulated Depreciation

The total amount of depreciation expense that has been recorded for an asset since it was put into use.

Salvage Value

The estimated value that an asset will realize upon its sale at the end of its useful life.

Depreciation Expense

The allocation of the cost of a tangible asset over its useful life, representing wear and tear or obsolescence.