Electromagnetic Spectrum Quiz

Which of the following has the longest wavelength in the electromagnetic spectrum?

• Gamma rays

• Radio waves

• X-rays

• Ultraviolet rays

Which electromagnetic wave has the highest frequency?

• Microwaves

• Gamma rays

• Infrared rays

• Visible light

What is the approximate wavelength range of visible light?

• 100 – 400 nm

• 400 – 700 nm

• 700 – 1200 nm

• 1 – 10 mm

Which type of radiation is used in night vision devices?

• Infrared rays

• X-rays

• Gamma rays

• Microwaves

Which wave is commonly used in TV and radio communication?

• Ultraviolet rays

• Radio waves

• X-rays

• Gamma rays

Which region of the electromagnetic spectrum has a wavelength just longer than visible light?

• Ultraviolet

• Infrared

• X-rays

• Gamma rays

Which waves are used in radar and satellite communication?

• Gamma rays

• Microwaves

• Ultraviolet rays

• Infrared rays

Which electromagnetic radiation is responsible for causing sunburn?

• Infrared rays

• Microwaves

• Ultraviolet rays

• X-rays

Which radiation is used for medical imaging of bones?

• Gamma rays

• X-rays

• Infrared rays

• Radio waves

Which wave is used in microwave ovens for cooking food?

• Infrared rays

• Microwaves

• Ultraviolet rays

• Radio waves