In the lab, a blackbody is built as a small hole in the wall of a:

Question

Accepted Answer

B. Cavity

1. Light entering the hole cannot escape.
2. It bounces inside until absorbed.
3. So the hole in a cavity acts as one.
_Source: OpenStax University Physics Volume 3, Chapter 6, Photons and Matter Waves._

Answer

Canvas

Answer

Cabin

Answer

Casket

In the lab, a blackbody is built as a small hole in the wall of a:

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