Question

Quantum mechanics applies to A) subatomic, atomic, nanometer-size, and micrometer-size systems. B) nanometer, micrometer, and kilometer-size systems. C) atomic, nanometer-size, and micrometer-size systems. D) subatomic, atomic, and nanometer-size systems.

Answer 1

Answer: D) subatomic, atomic, and nanometer-size systems.

Explanation: Quantum mechanics applies to subatomic, atomic, and nanometer-size systems.