Joke Collection Website - Mood Talk - Science problem in the fifth grade of primary school: Do you know what the characteristics of light are? Tell me!

Science problem in the fifth grade of primary school: Do you know what the characteristics of light are? Tell me!

Characteristics of light

1, light has energy

2. Light propagates in a straight line in the same uniform medium.

3. When the light is incident on the surface of the medium, it will be reflected and refracted.

4. Light is electromagnetic wave, with interference, diffraction and polarization.

5. Light has wave-particle duality.

6. Light can travel in a vacuum, and it does not need a medium.