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, microwaves, infrared, ultraviolet, X-rays, and gamma rays.

Front

What type of electromagnetic wave is used to sterilize medical equipment?

Back

Ultraviolet (UV) waves are used to sterilize medical equipment.

Front

What do all electromagnetic waves have in common?

Back

All electromagnetic waves have the same speed in a vacuum, which is approximately 299,792 kilometers per second (the speed of light).

Front

Which color of visible light has the highest frequency?

Back

Violet has the highest frequency among visible light colors.

Front

What type of wave has the largest wavelength in the electromagnetic spectrum?

Back

Radio waves have the largest wavelength in the electromagnetic spectrum.

Front

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

Back

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

Front

What is the primary function of electromagnetic waves?

Back

Electromagnetic waves transfer energy without the need for a medium.

Front

What type of electromagnetic radiation is used in microwave ovens?

Back

Microwaves are used in microwave ovens to heat food.

Front

What is the frequency range of radio waves?

Back

Radio waves have frequencies ranging from about 3 kHz to 300 GHz.

Front

What type of electromagnetic radiation can penetrate soft tissue but not bone?

Back

X-rays can penetrate soft tissue but are absorbed by bone.