In what ways do the Kaluza-Klein multidimensional theories simplify our picture of the universe? Three of the following statements are correct. Which one is NOT a simplification of Kaluza-Klein theory?
A)In three space dimensions the trajectory of an object influenced by gravity appears straight, and in the multidimensional space of the Kaluza-Klein theory it appears straight.
B)Many of the additional dimensions cancel out, leaving us with a simpler system than we had originally.
C)Some dimensions in the multidimensional theory may not be observable because they are coiled tightly.
D)We may be able to account for the existence of dark matter and dark energy.

Question

Quizplus · Accepted Answer

Kaluza-Klein theory does not simplify the universe by canceling out many of the additional dimensions; instead, it proposes that these dimensions are compactified or curled up at very small scales, which is different from canceling them out.

In What Ways Do the Kaluza-Klein Multidimensional Theories Simplify Our