Object a Has an Emissivity of 0

question 18

Multiple Choice

Object A has an emissivity of 0.95;and its temperature is 25 °C.At what temperature (in degrees Celsius) does object B,whose emissivity is 0.50,emit radiation at the same rate as object A if both objects have the same surface area?

• A)29 °C
• B)40 °C
• C)61 °C
• D)77 °C
• E)93 °C

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Definitions:

Physiological Needs

Basic requirements vital to human survival, such as air, food, water, and shelter, often represented as the foundation in Maslow's hierarchy of needs.

Safety

The condition of being protected from or unlikely to cause danger, risk, or injury.

Hierarchy of Needs

A theory in psychology proposed by Abraham Maslow positing that people are motivated to achieve certain needs and that some needs take precedence over others, from basic physiological needs to self-actualization.

Abraham Maslow

A psychologist renowned for establishing the hierarchy of needs according to Maslow, a concept of psychological well-being based on satisfying inborn human necessities.