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College Physics (Urone)
Found in: Page 32

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Short Answer

When is it necessary to use relativistic quantum mechanics?

In Physics, relativistic quantum mechanics is used for explaining the motion of those systems that have a size which is comparable to that of a hydrogen nucleus and are travelling at speeds comparable to the speed of light.

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Step by Step Solution

Step 1:

Quantum physics deals with a system that is comparable to a hydrogen nucleus or is smaller than that, in terms of size. Relativistic effects need to be considered if a system travels at speeds comparable to the speed of light.

Step 2:

Thus, it can be concluded that relativistic quantum physics is applicable for very small objects travelling at very high speeds.

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