National Schools' Observatory - We start our month of Astronomy In Numbers with a big one! The speed of light (symbol c) is 300,000 km/s...don't believe us? Have a go at measuring
![Light. What is Light? Light is a type of energy that travels as a wave. – Electromagnetic Wave – Type of wave that does not need a medium to travel – - ppt download Light. What is Light? Light is a type of energy that travels as a wave. – Electromagnetic Wave – Type of wave that does not need a medium to travel – - ppt download](https://images.slideplayer.com/15/4610979/slides/slide_3.jpg)
Light. What is Light? Light is a type of energy that travels as a wave. – Electromagnetic Wave – Type of wave that does not need a medium to travel – - ppt download
![A student studies that the speed of light in air is 300000 kms/ sec where that of speed in a glass slab is about 197000 kms/ sec. What causes the difference in A student studies that the speed of light in air is 300000 kms/ sec where that of speed in a glass slab is about 197000 kms/ sec. What causes the difference in](https://www.gkseries.com/blog/wp-content/uploads/2022/05/A-student-studies-that-the-speed-of-light-in-air-is-300000-kms.png)