Electromagnetic Waves

Which one of these images is an X - Ray?

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• 
• 
• 

This image is created using what type of electromagnetic wave?

• Infrared

• Ultraviolet

• X-ray

• Microwave

What type of EM radiation is utilized in treating cancer, using its high energy to destroy the cells in a tumour?

• gamma ray

• x-ray

• visible light

• microwave

What does the picture below illustrate?

• Visible Light Spectrum

• Electromagnetic Spectrum

• Frequency Indicator

• Color Line

What makes electromagnetic waves different from mechanical waves?

• no medium required

• medium needed

• light -catalyzed

• space exclusive

Which type of EM waves has the shortest wavelength?

• radio wave

• visible light

• gamma ray

• ultraviolet

what happens to the frequency of a wave as wavelength increases?

• increases

• decreases

• remains constant

• diminishes to zero

Select the correct order of waves on the EMS from low to high energy

• Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma

• Gamma, X-ray, Ultra, Vis, Infra, Micro, Radio

• Vis, Micro, Infra, Ultra, X-ray, Gamma, Radio

• Micro, Radio, Vis, Infra, Ultra, X-ray, Gamma

What waves do you use to heat food?

• Microwaves

• Gamma Waves

• Ultraviolet waves

• Radio Waves

UV rays from the sun are -

• Gamma Waves

• Ultraviolet waves

• Heat Waves

• Light waves

• Sound waves