Considering matter and energy together, the smallest component of the universe seems to be
A) electromagnetic radiation of various kinds.
B) ordinary matter.
C) dark matter.
D) dark energy.

Question

Quizplus · Accepted Answer

Electromagnetic radiation, including photons, can be considered the smallest components of the universe in terms of matter and energy. They are fundamental to the structure of the universe, influencing both matter and energy across vast distances. Unlike ordinary matter, dark matter, and dark energy, electromagnetic radiation can be observed directly and plays a crucial role in the transfer of energy.

Considering Matter and Energy Together, the Smallest Component of the Universe