MPSC PYQScienceLightenglish3) What is the velocity of light ? 1) 340 m/s 2) 3×10 8 cm/s 3) 1.079×109 km/hr 4) 2.99×10 8 km/sA.340 m/sB.3×10 8 cm/sC.1.079×109 km/hrD.2.99×10 8 km/sCorrect answer: CSource paperScience: LightPractice more questions