Electromagnetic Spectrum

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, X-rays, and more, categorized by their wavelengths.

Front

What is the wavelength range of visible light?

Back

Visible light occupies the wavelength range from 380 to 790 nanometers.

Front

Which type of electromagnetic radiation has a shorter wavelength than visible light?

Back

Ultraviolet radiation has a shorter wavelength than visible light.

Front

What type of radiation can be observed well from Earth's surface?

Back

Visible light can be observed well from Earth's surface.

Front

What are X-rays?

Back

X-rays are a form of electromagnetic radiation with wavelengths shorter than visible light, used in medical imaging.

Front

What causes an aurora?

Back

An aurora is caused by charged particles from solar winds colliding with Earth's atmosphere, producing visible light.

Front

What gases are primarily responsible for the colors seen in an aurora?

Back

Oxygen and nitrogen are the primary gases responsible for the colors seen in an aurora.

Front

What is the wavelength of visible light produced by oxygen atoms in an aurora?

Back

Oxygen atoms can produce visible light at a wavelength of 557 nm.

Front

What is the wavelength of visible light produced by nitrogen atoms in an aurora?

Back

Nitrogen atoms can produce visible light at a wavelength of 475 nm.

Front

What is infrared radiation?

Back

Infrared radiation is a type of electromagnetic radiation with wavelengths longer than visible light, often associated with heat.