What does the term "black body" signify for an object?
A) The object is white hot.
B) The object is black to human sight.
C) The object absorbs and emits all wavelengths
D) The object absorbs certain wavelengths of light preferentially.
E) There is no significance to the name.

Question

Quizplus · Accepted Answer

The term "black body" signifies that the object absorbs and emits all wavelengths of radiation. This means that when the object is heated, it glows with a characteristic spectrum that depends only on its temperature, and not on its composition. This is known as black body radiation, and it is a fundamental principle of modern physics.

What Does the Term "Black Body" Signify for an Object