Long wave electromagnetic spectrum

What is the range of wavelengths for visible light?

• 1m-3m

• 400m-700m

• 400-700nm

• 4-7mm

Which colour in the visible spectrum has the longest wavelength?

• Red

• Yellow

• Violet

• Green

Which has the highest frequency?

• Radio

• Microwave

• Infrared

• Visible light

Which has the highest frequency?

• Visible light

• Ultraviolet

• X-ray

• Gamma ray

Which has the highest frequency?

• Gamma ray

• Radio

• Visible

• X-ray

Which has the longest wavelength?

• Gamma

• X-ray

• Ultraviolet

• Visible

Which has the longest wavelength?

• Infrared

• Radio

• Microwaves

• Visible

Which has the longest wavelength

• Gamma

• Visible

• Radio

• Infrared

Which of the following are uses of Infrared?

• Cooking food

• Thermal imaging

• Short range communication

• Long range communication

Which of the following are uses of Microwaves?

• Cooking food

• Thermal imaging

• Short range communication

• Long range communication