Nature of Physical Laws — Prelims Questions

Which of the following statements best describes the 'universality' of physical laws?

Which of the following is a key characteristic that distinguishes a scientific law from a scientific theory?

Which of the following conservation laws is directly linked to the homogeneity of time (i.e., the laws of physics are the same at all times)?

A physical law is considered 'testable' or 'falsifiable' if:

In an isolated system, which of the following quantities is NOT necessarily conserved?

Which of the following best exemplifies the principle of 'unification' in physics?