Resolving Power: a Certain Astronomical Telescope Has a Diameter of 5.60

question 29

Multiple Choice

Resolving power: A certain astronomical telescope has a diameter of 5.60 m. Considering only the limitation due to diffraction, what is the minimum angle of resolution for this telescope at a wavelength of 620 nm?

• A) 0.111 µrad
• B) 0.311 µrad
• C) 0.270 µrad
• D) 0.135 µrad
• E) 0.405 µrad

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Definitions:

Required Rate

The lowest return an investor is willing to accept on an investment to deem it as profitable.

Marginal Tax Rate

The rate at which the last dollar of a taxpayer's income is taxed, indicating the rate of tax that applies to their highest bracket of income.

Operating Cash Flow

Cash generated by a company's normal business operations, indicating whether a company is capable of generating sufficient positive cash flow to maintain and grow its operations.

Contribution Margin

The difference between sales revenue and variable costs of a product or service, often expressed as a percentage of sales revenue.