Electromagnetic Wave Basics

Which wave has the LONGEST wavelength

• Gamma Rays

• Radio Waves

• Visible Light

• Infrared rays

Which section of the electromagnetic spectrum is the ONLY one we can see?

• X-rays

• Visible Light

• Gamma Rays

• Ultraviolet Rays

How are electromagnetic waves different from other waves? 

• They have very short wavelengths 
• They transmit energy instead of matter 
• They can travel through a vacuum 
• They can change direction by reflection 

Which colour has the shortest wavelength?

• red

• orange

• green

• blue

High frequency waves have _________ wavelengths.

• varying
• long
• the same
• short

All electromagnetic waves have the same...

• frequency
• speed
• wavelength
• energy

In visible light, which color has the longest wavelength?

• Red
• Violet
• Yellow
• Green

Electromagnetic waves________________travel through space.

• Never
• Cannot
• Can
• Wish they could

Select the correct order of waves on the Electromagnetic Spectrum

• 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 is the name of the glass we use to split up visible white light

• ray box

• prism

• power supply

• leads