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Light

100

What is light?

Light is a form of energy?

200

What form of line does light travel in?

Straight line 

300

What travels faster than the speed of light?

Nothing!

400

What can behave as a particle and a wave that propagates in a vacuum?

Light

500

What is the speed of light in a vacuum?

3 x 10⁸ m/s

The electromagnetic spectrum

100

What radiations (name at least 3) have the highest frequencies?

Gamma rays, X-rays, and U-V rays

200

What radiations have the lowest frequencies? (name 3)

Radio waves, Microwaves, and Infrared light

300

What is a electromagnetic spectrum?

It is a diagram that demonstrates electromagnetic waves according to their lengths and frequencies. 

400

What does the diagram demonstrate?

It demonstrates the electromagnetic waves.

500

How does it demonstrates the electromagnetic waves?

According to their lengths and frequencies.