Question

10 scientific fact about light​

Answer 1

Answer:

Light is a kind of energy that can move in waves and it is made up of a flow of small particles of energy called photons. A ray of light travels very fast. Because light travels faster than sound you see lightning before you hear the thunder. The speed of light equals 300,000 km/second.

Explanation:

• Light is made up of energy.

• Light travels in a straight line. ...

• The speed of light is exactly 299 792 km per second.

• This is the speed when light is travelling in a vacuum and not obstructed by the atmosphere.

• Travelling at the speed of light, you could go around Earth 7.5 times in a second.