MPSC PYQScienceLightenglish

3) 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/s

A.340 m/s
B.3×10 8 cm/s
C.1.079×109 km/hr
D.2.99×10 8 km/s

Correct answer: C

Source paper

Science: Light

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