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 type of wave has the shortest wavelength and highest energy?

Back

X-ray.

Front

What is the wavelength of infrared rays?

Back

10^-5 m.

Front

What is the frequency of infrared waves?

Back

10^12 Hz.

Front

Which waves have the lowest energy?

Back

Radio waves.

Front

What is the relationship between wavelength and frequency?

Back

As the wavelength decreases, the frequency increases, and vice versa.

Front

What are gamma rays?

Back

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

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 400 to 700 nanometers in wavelength.

Front

What are microwaves used for?

Back

Microwaves are used in various applications, including cooking food, communication, and radar technology.

Front

What is the speed of light in a vacuum?

Back

The speed of light in a vacuum is approximately 3 x 10^8 meters per second.