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Q66 (NDA-II/2021) Science & Technology › Basic Science (Physics, Chemistry, Biology) › Basic mechanics concepts

Fundamental laws of physics require

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Your answer: —  Â·  Correct: D
Explanation

Fundamental laws of physics are governed by conservation principles which state that certain measurable properties remain constant within an isolated system. These principles form the backbone of classical and modern physics. Specifically, the Law of Conservation of Energy dictates that energy is neither created nor destroyed but only transformed. The Law of Conservation of Linear Momentum ensures that total momentum remains constant in the absence of external forces. Furthermore, the Law of Conservation of Charge states that electric charge cannot be created or destroyed, only transferred. According to Noether's Theorem, these conservation laws are deeply linked to fundamental symmetries: energy conservation arises from time-translation symmetry, while momentum conservation arises from space-translation symmetry [1]. Therefore, the fundamental laws of physics require the conservation of energy, momentum, and charge simultaneously.

Sources

  1. [1] https://www.britannica.com/science/conservation-law
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