Pick Out the Wrong Statement

question 58

Multiple Choice

Pick out the wrong statement:

• A)With change in temperature, the radiant energy emitted by a black body remains unchanged
• B)Absorptivity of a body approaches unity in case of diffuse reflection
• C)Absorptivity of a perfectly black body is unity
• D)Value of Stefan-Boltzmann constant is 4.876 × 10^-8 KCal/m² .hr.°K⁴

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Definitions:

Future Time

The concept or perception of time that lies ahead, including plans, expectations, and the anticipation of events that have not yet occurred.

Modeled Behavior

Actions or responses learned through observing and replicating the behavior of others.

Positive or Negative Consequences

Outcomes or effects that may be favorable or unfavorable as a result of an action or decision.

Neutral Outcomes

Results of an action or experiment that neither significantly benefit nor harm the situation or subjects involved.