The Main Reason That the Angular Resolution of a 20-M

question 192

Multiple Choice

The main reason that the angular resolution of a 20-m diameter radio telescope is worse than that of a 0.5-m diameter optical telescope is that

• A) angular resolution becomes worse as wavelength decreases.
• B) angular resolution becomes worse as wavelength increases.
• C) an optical mirror suffers from chromatic aberration.
• D) angular resolution becomes worse as mirror size increases.

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Definitions:

Mycorrhizae

Symbiotic relationships between the roots of plants and fungi, where the fungus assists in the absorption of water and nutrients from the soil in exchange for carbohydrates produced by the plant.

Mutualism

Mutualism describes a relationship between species in which both species benefit.

Frequency-Dependent Selection

A type of natural selection in which the suitability of a phenotype is determined by its relative frequency compared to other phenotypes within the population.

Mutualistic

Describes a symbiotic relationship in which both organisms involved derive a benefit.