Absorptivity of a Body Will Be Equal to Its Emissivity

question 13

Multiple Choice

Absorptivity of a body will be equal to its emissivity

• A)at all temperatures
• B)at one particular temperature
• C)when system is under thermal equi-librium
• D)at critical temperature
• E)for a polished body.

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Definitions:

Immune Function

The complex set of processes and mechanisms by which the body recognizes and defends itself against pathogens, harmful substances, and disease.

Physical Activity

Any bodily movement produced by skeletal muscles that requires energy expenditure.

Mental Benefits

Positive effects on mental health and cognitive function, such as improved mood, reduced stress, and enhanced memory, resulting from various activities or treatments.

Arthritis

A medical condition characterized by inflammation of the joints, causing pain and stiffness.