🎯Railway GROUP-D 2025 – बार बार पूछे जाने वाले सवाल।✍Start The QuizWhat Is The Speed Of Light?प्रकाश की गति कितनी है?96% Note: Light Travels At A Speed Of Approximately 300,000 km/s In A Vacuum.3 × 10^6 m/s3 × 10^5 m/s3 × 10^8 m/s3 × 10^7 m/sBack to Top Next Question Advertisement Pages 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36