A Red Filter Passes Light at the Long-Wavelength End of the Visible

question 192

Multiple Choice

A red filter passes light at the long-wavelength end of the visible spectrum as shown,for example,in Figure 10-4 in Comins,Discovering the Essential Universe,6th ed.Star 1 and star 2 are viewed through identical red filters,and star 1 appears brighter than star 2 through the filter.What can be determined from this information?

• A) Star 1 is hotter than star 2.
• B) Star 2 is hotter than star 1.
• C) Star 1 is more luminous than star 2.
• D) Nothing can be concluded from this fact alone.

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Definitions:

Buy Back

A corporate action in which a company purchases its own shares from the marketplace, reducing the number of outstanding shares.

Treasury Stock

Shares of a company's own stock that it has reacquired and holds in its treasury rather than retiring them.

Sale Price

The final amount at which a product or service is sold to consumers, after any discounts or adjustments.

Income Increase

A rise in the amount of money generated by an individual or organization, typically measured over a specific period of time.