Electromagnetic Spectrum

Front

What is the electromagnetic spectrum?

Back

The electromagnetic spectrum is the range of all types of electromagnetic radiation, which includes visible light, radio waves, microwaves, infrared, ultraviolet, X-rays, and gamma rays.

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Front

Which electromagnetic wave can you see?

Back

Visible light.

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How are electromagnetic waves classified?

Back

Electromagnetic waves are classified and arranged according to their wavelengths and frequencies.

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Front

What is wave frequency?

Back

Wave frequency is the number of waves that pass a point in a certain amount of time.

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What color of visible light has the highest frequency?

Back

Violet.

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Which color of visible light has the least amount of energy?

Back

Red.

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Front

What is wavelength?

Back

Wavelength is the distance between two consecutive peaks or troughs of a wave.

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Front

What type of electromagnetic wave is used in microwaves?

Back

Microwaves are a type of electromagnetic wave with longer wavelengths than infrared light.

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What is the speed of electromagnetic waves in a vacuum?

Back

The speed of electromagnetic waves in a vacuum is approximately 299,792 kilometers per second (or about 300,000 kilometers per second).

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Front

What is infrared radiation?

Back

Infrared radiation is a type of electromagnetic radiation with wavelengths longer than visible light but shorter than microwaves.

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