Electromagnetic spectrum quiz

The following are applications of infrared waves, except ...?

• Remote controls

• Thermal imaging

• Optical fibers

• Tanning beds

Which statement does NOT describe geostationary satellites?

• It takes 24 hours to orbit Earth

• Communication with it uses radio wave

• It hovers above the same location above Earth

• An observer on Earth sees the satellite as stationary

Water purifier commonly uses which type of wave for its function?

• Ultraviolet

• X-ray

• Gamma ray

• Microwave

Reorder the following from lowest to highest frequency.

• Orange Light

• Gamma ray

• Blue light

• X-ray

• Infrared

Reorder the following from shortest to longest wavelength

• Yellow light

• Ultraviolet

• Radio wave

• Green light

• Microwave

Match the following applications to the most suitable EM wave.

• Satellite television

• Radio wave

• Astronomical observation

• Infrared

• Optical fibers

• X-ray

• Airport luggage security

• Gamma ray

• Cancer detection

• Microwave