4.3 Electromagnetic Spectrum

Multiple Choice

True or false: as you move along the spectrum, radio to gamma waves, the wavelengths decrease in size (get smaller)

• true

• false

Multiple Choice

Select the correct order of waves on the EMS from the longest wavelength to the shortest wavelength

• 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

Multiple Choice

Which has the LONGEST wavelength and, therefore, the lowest frequency/energy

• Gamma Rays

• Radio Waves

• Visible Light

• Infrared rays

Multiple Choice

Which has the SHORTEST wavelength and, therefore, the highest frequency/most energy

• Radio waves

• Ultraviolet Rays

• Gamma Rays

• X-rays

Multiple Choice

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

• X-rays

• Visible Light

• Gamma Rays

• Ultraviolet Rays

Multiple Choice

How are electromagnetic waves different from other waves? 

• They have very short wavelengths 

• They transmit energy instead of matter 

• They can travel through empty space

• They can change direction by reflection 

Multiple Choice

Which of the following electromagnetic waves has the lowest energy?

• gamma ray

• infrared wave

• visible light wave

• microwave

Multiple Choice

How much of the electromagnetic spectrum is visible?

• All of it

• None of it

• Most of it

• Only a small part

Multiple Choice

What are electromagnetic waves?

• sound waves

• electric & magnetic fields (energy) that travel through empty space very quickly

• Someone's name

• things like longitudinal waves

Multiple Choice

Select the correct order of waves on the EMS 

• 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

Multiple Choice

Light behaves like both a particle and a ______.

• Mass

• Wave

• Current

Multiple Choice

Which of the following has wavelengths longer than microwaves?

• Infrared waves

• Radio waves

• Visible light

Multiple Choice

What does the word "converging" mean?

• to separate

• to come together

• parallel 

• perpendicular

Multiple Choice

A converging lens is also known as a ____ lens.

• convex

• concave

• double

• refracted

Multiple Choice

What does the word "diverging" mean?

• to spread apart

• to come together

• parallel

• perpendicular

Multiple Choice

A diverging lens is also known as a ____lens.

• refracted

• diffracted

• convex

• concave

Multiple Choice

The point where the rays meet is known as....

• Fire

• the focal point

• refraction

• Plane of the lens

Multiple Choice

When the car moves AWAY from you, its horn seems...

• Low pitched

• High pitched

• Normal

Multiple Choice

When an ambulance move TOWARD you it sounds ________ pitched. 

• high

• low

• medium

Multiple Choice

What can you tell about this object's motion?

• Moving to the North (up).

• Moving to the South (down). 

• Moving to the West (left). 

• Moving to the East (right). 

Multiple Choice

What can you tell about the motion of this object?

• Moving left.

• Moving right quickly.

• Standing still. 

• Moving up slowly. 

Multiple Choice

What direction is this object moving?

• left

• right

• up

• down