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 relationship between wavelength and frequency?

Back

As the wavelength of a wave increases, its frequency decreases, and vice versa. This means that longer wavelengths correspond to lower frequencies and lower energy.

Front

What is amplitude in the context of waves?

Back

Amplitude is the height of a wave from its rest position to its crest (or trough). It represents the energy of the wave; higher amplitude means more energy.

Front

List the types of waves in the electromagnetic spectrum in order from longest to shortest wavelength.

Back

Radio, Micro, Infrared, Visible, Ultraviolet, X-ray, Gamma.

Front

Which type of electromagnetic wave has the highest frequency?

Back

Gamma rays have the highest frequency in the electromagnetic spectrum.

Front

What color of visible light has the longest wavelength?

Back

Red light has the longest wavelength in the visible spectrum.

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 (or about 300,000 km/s).

Front

What is the significance of the visible spectrum?

Back

The visible spectrum is the portion of the electromagnetic spectrum that is visible to the human eye, ranging from approximately 400 nm (violet) to 700 nm (red).

Front

What are infrared waves used for?

Back

Infrared waves are commonly used in remote controls, thermal imaging, and night vision technology.

Front

What is the difference between ultraviolet light and visible light?

Back

Ultraviolet light has a shorter wavelength than visible light and carries more energy, which can cause skin damage.