Question

What are the 7 properties of light?​

Answer 1

Answer:

7 properties of Light :

1. Light is an electromagnetic wave.
2. Light travels in a straight line.
3. Light is a transverse wave and does not need a medium to travel. Light can travel through a vacuum. Its speed in vacuum is 3 × 10⁸ m/s.
4. The speed of light changes as it moves from one medium to another.
5. The wavelength (λ) of light changes when passing from one medium to another.
6. The frequency (f) of a light wave remains the same in all media.
7. Light is reflected back from polished surfaces such as mirrors, polished metal surfaces, etc.

Three more properties of light:

1. Light undergoes refraction (bending) as it travels from one transparent medium to another.
2. Light does not need a material medium to travel, that is, it can also travel through a vacuum. Scientists have given the speed of light in a vacuum as 299, 792, 458 m/s.
3. According to current scientific theories, no particle of matter can travel faster than the speed of light in a vacuum.

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