Electromagnetic Waves and Their Properties

Front

What is the electromagnetic spectrum?

Back

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

Front

What are the seven colors of the visible light spectrum?

Back

Red, Orange, Yellow, Green, Blue, Indigo, Violet.

Front

What is white light?

Back

White light is a mixture of all colors of visible light.

Front

What happens to light when it passes through a prism?

Back

It is refracted and dispersed into its constituent colors.

Front

What is the relationship between wavelength and frequency?

Back

Wavelength and frequency are inversely related; as the wavelength increases, the frequency decreases.

Front

What is a blackbody?

Back

A blackbody is an idealized physical object that absorbs all incident electromagnetic radiation, regardless of frequency or angle of incidence.

Front

What is the peak emission wavelength of a blackbody dependent on?

Back

It is dependent on the temperature of the blackbody, described by Wien's Displacement Law.

Front

What does it mean if an object appears black?

Back

It means that the object absorbs all colors of visible light and reflects none.

Front

How does temperature affect the color of a star?

Back

As a star's temperature increases, it emits light at shorter wavelengths, shifting its color from red to blue.

Front

What is infrared radiation?

Back

Infrared radiation is electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves.