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 is the frequency of infrared waves?

Back

The frequency of infrared waves is approximately 10^12 Hz.

Front

Which electromagnetic wave has the lowest energy?

Back

Microwave has the lowest energy among the given options.

Front

What is the only section of the electromagnetic spectrum that we can see?

Back

The only section of the electromagnetic spectrum that we can see is visible light.

Front

How are electromagnetic waves arranged from longest to shortest wavelength?

Back

Microwave -> Infrared -> Visible Light.

Front

What is the relationship between wavelength, frequency, and energy in electromagnetic waves?

Back

A wave with a large wavelength will have a low frequency and low energy.

Front

What type of electromagnetic radiation is used in remote controls?

Back

Infrared radiation is commonly used in remote controls.

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.

Front

What is the wavelength range of visible light?

Back

The wavelength range of visible light is approximately 400 to 700 nanometers.

Front

What type of electromagnetic waves are used for communication?

Back

Radio waves are commonly used for communication.