Two Perfectly Absorbing Spheres Have Radii of R and 3R

question 76

Multiple Choice

Two perfectly absorbing spheres have radii of R and 3R. Both are held at the same temperature. The flux of radiant energy emerging from each square meter of the larger sphere is

• A) the same as the flux from the smaller sphere.
• B) 3 times the flux from the smaller sphere.
• C) 9 times the flux from the smaller sphere.
• D) 27 times the flux from the smaller sphere.

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Definitions:

Çatalhöyük

An ancient, large Neolithic and Chalcolithic proto-city settlement in southern Anatolia, notable for its unique architecture and cultural artifacts.

Early Cities

Urban centers that emerged in various parts of the world during ancient times, characterized by their significant populations, economic activities, and social complexities.

Bronze Age

A period in human history characterized by the use of bronze, proto-writing, and other early features of urban civilization, dating from around 3300 to 1200 BCE.