Electromagnetic Spectrum

Front

What is the electromagnetic spectrum?

Back

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

Front

Which wave has the highest frequency in the electromagnetic spectrum?

Back

Gamma rays have the highest frequency in the electromagnetic spectrum.

Front

Which wave has the longest wavelength in the electromagnetic spectrum?

Back

Radio waves have the longest wavelength in the electromagnetic spectrum.

Front

What is the unit of frequency?

Back

The unit of frequency is Hertz (Hz).

Front

What is the relationship between wavelength and frequency?

Back

As wavelength increases, frequency decreases; as wavelength decreases, frequency increases.

Front

Which type of electromagnetic radiation has the highest energy?

Back

Gamma rays have the highest energy among electromagnetic waves.

Front

What is the speed of light in a vacuum?

Back

The speed of light in a vacuum is approximately 299,792 kilometers per second (km/s).

Front

What is visible light?

Back

Visible light is the portion of the electromagnetic spectrum that is visible to the human eye, typically ranging from wavelengths of about 400 to 700 nanometers.

Front

What is infrared radiation?

Back

Infrared radiation is electromagnetic radiation with wavelengths longer than visible light but shorter than microwaves, commonly associated with heat.

Front

What is ultraviolet radiation?

Back

Ultraviolet (UV) radiation is electromagnetic radiation with wavelengths shorter than visible light but longer than X-rays, known for its ability to cause sunburn.