How Far Away Can Two Point Sources of Light of Wavelength

question 71

Multiple Choice

How far away can two point sources of light of wavelength 500 nm be, if they are just resolvable in a telescope with an aperture width of 1.5 cm?

• A) 25 km
• B) 12 km
• C) 90 m
• D) 12 m
• E) more information is needed

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Definitions:

Confounding Variable

A variable outside of the researcher's control that can affect the results of an experiment, making it difficult to establish a clear cause-and-effect relationship.

Independent Variable

In research, the variable that is manipulated or varied by the researcher to observe its effect on the dependent variable.

Meta-analysis

A statistical analysis that combines the results of multiple scientific studies to arrive at a conclusion that has greater statistical power.

Effect Size

A quantitative measure of the strength of a phenomenon, often used in statistical analysis to determine the significance or impact of research findings.