• Question: what is the speed of light? (this is from my little sister)

    Asked by game45day to Souvik, Sabine, Armin on 22 Nov 2019.
    • Photo: Armin Shams

      Armin Shams answered on 22 Nov 2019:

      Nearly 300 000 KM per second

    • Photo: Souvik Kundu

      Souvik Kundu answered on 22 Nov 2019:

      Speed of light in vacuum and air are almost 300,000 km/s but it varies from media to media, depends upon refractive index of that …

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