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

What are microwaves used for?

Back

Microwaves are used in microwave ovens to heat food and in communication technologies such as mobile phones.

Front

What type of electromagnetic waves are used in mobile phone communication?

Back

Radio waves are used in mobile phone communication.

Front

What are ultraviolet rays?

Back

Ultraviolet rays are a type of electromagnetic radiation that helps the body produce vitamin D.

Front

Which color of visible light has the longest wavelength?

Back

Red has the longest wavelength in the visible light spectrum.

Front

What is amplitude in the context of waves?

Back

Amplitude is the height of a wave from its resting point.

Front

What is the wavelength of a wave?

Back

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

Front

What is frequency in terms of waves?

Back

Frequency is the number of waves that pass a given point in one second, measured in hertz (Hz).

Front

What are gamma rays?

Back

Gamma rays are a type of electromagnetic radiation with the highest energy and shortest wavelength.

Front

What are infrared rays used for?

Back

Infrared rays are used in remote controls, thermal imaging, and heating applications.