Lesson 3: EMS

Multiple Choice

What is the saying that can help you remember the order of the visible spectrum?

• ROYGBIV

• RYOBIVG

• ROYBVIG

• RIBYOVG

Multiple Choice

How are we able to see the color white?

• All colors except red are absorbed

• All colors are absorbed

• All colors are reflected

• All colors except red are reflected

Multiple Choice

Which EM waves have the shortest wavelength?

• radio

• x-rays

• ultraviolet

• gamma rays

Multiple Select

Which EM waves are invisible? (more than one correct answer)

• radio

• visible

• ultraviolet

• gamma rays

Multiple Choice

Which EM waves are have a SHORTER wavelength than visible?

• radio

• none

• infrared

• x-rays

Multiple Choice

Which EM waves are have the highest energy & are the most dangerous?

• radio

• gamma rays

• infrared

• x-rays