≈ 200000 km/s (124000 mi/s); the refractive index of air for visible light is about 1.0003, so the speed of light in air is about 90 km/s (56 mi/s) slower than ...

Do a quick conversion: 1 speed of light [air] = 299702.547 kilometers/second using the online calculator for metric conversions.

The speed of light in air is around 299,705 kilometres per second or 2.99705 × 10 8 m / s . Light travels at a constant speed of 2.99792 × 10 8 m / s ...

2 апр. 2016 г. · The speed of light is approximately 300,000 km/second. It is exactly 299,792,458 m/s, or 299,792.458 km/second. What is the speed of light in km/h? Why is the speed of light 300,000 km/s? Why not any ... How many km is light's speed? What is the speed of light in air? In a quiet and dark ... Другие результаты с сайта www.quora.com

Given: The speed of the light in a diamond is 1,24,000 km/s, the speed of light in air is 3,00,000 km/s. To find the refractive index of the diamond. Solution ...

3 янв. 2021 г. · Answer: 2.083 × 10^5 km/s Explanation: you just need to Refractive Index of a medium is the ratio of speed of light in air to speed of light in it.

Hint: The speed of light, denoted by c is a universal constant. · Complete step by step answer: · Therefore, the speed of light is 300,000 km/s in vacuum.

25 мар. 2023 г. · The speed of light is a fundamental constant of the universe and is measured to be approximately 300,000 km/s in a vacuum. This speed is ...

29 окт. 2024 г. · But at last, scientists had a number to work with. Rømer's calculation put the speed of light at about 124,000 miles per second (200,000 km/s). ...