The speed of light in air is August 11, 2024August 11, 2024 CSS MPT Physics MCQs FPSC NTS PPSC Past Papers Test Questions (A) 2.8×106 m/s(B) 2.8×108 m/s(C) 3.0×106 m/s(D) 3.0×108 m/s The answer is: (D) 3.0×108 m/s