An Object Having a Fixed Emissivity of 0

question 102

Multiple Choice

An object having a fixed emissivity of 0.725 radiates heat at a rate of 10 W when it is at an absolute temperature T.If its temperature is doubled to 2T,at what rate will it now radiate?

• A)20 W
• B)40 W
• C)80 W
• D)160 W
• E)320 W

---

Definitions:

Chartjunk

Unnecessary or distracting visual elements in charts or graphs that do not enhance understanding of the data.

Complex Information

Information that is intricate or complicated due to its volume, structure, ambiguity, or interconnectedness, requiring specialized knowledge or skills to understand fully.

Deviation

A departure from a standard, norm, or expectation, indicating a difference or variation from what is usual or expected.

Bar Chart

A graphical display used to compare the quantities or frequencies of different categories or groups using bars.