Q94. According to the theory of relativity, the three spatial dimensions are combined with a fourth dimension to form a unified continuum known as spacetime. What is this fourth dimension?Physics — NUST Mock By IBAGRADS 4 — Question 94 of 200A. SpaceB. Inertial frame of referenceC. Speed of lightD. TimePractice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →