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← ScienceWhich consequence results when a free electron's momentum uncertainty decreases considerably?
A)Its positional uncertainty increases✓
B)Its kinetic energy approaches zero
C)Its charge magnitude diminishes rapidly
D)Its relativistic mass becomes negligible
💡 Explanation
Decreasing momentum uncertainty mandates increased positional uncertainty, because Heisenberg's Uncertainty Principle dictates their inverse relationship. Therefore, position becomes less definite rather than any change in energy or fundamental properties under non-relativistic speeds.
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