SCI10-Q2-Wk4-Electromagnetic Spectrum

Which type of electromagnetic wave has the longest wavelength?

• a) X-rays

• b) Microwaves

• c) Radio waves

• d) Gamma rays

Which color of light has the shortest wavelength?

• a) Red

• b) Blue

• c) Green

• d) Yellow

Infrared radiation is commonly used for:

• a) Cooking food

• b) Remote sensing

• c) Medical X-rays

• d) Television broadcasting

Which color of light has the longest wavelength?

• a) Red

• b) Blue

• c) Green

• d) Yellow

Describe the wavelength and frequency of the rays in the Electromagnetic Spectrum.

Answer explanation

The wavelength and frequency of the electromagnetic waves are inversely related with each other.