Test 11/12 MM

True or False: electromagnetic waves do not have to travel through matter

• true

• false

True or False: Electromagnetic waves can travel thru matter

• true

• false

primary source of electromagnetic energy?

• sun

• moon

• UV light

• nuclear energy

Which of the following is NOT an electromagnetic radiation?

• nuclear energy

• microwaves

• radio waves

• UV light

which 2 characteristics of a wave make it different from other waves?

• frequency

• oscillation

• length

• distance

Which of these best describe the frequency in the picture below?

• there is one oscillation per second

• the amount of time from B to F

• there are 2 oscillations per second

• the distance between B and F

Which of these best describe the wavelength from the picture below?

• the amount of crests between A and G

• the distance between B and F

• the length between A and E

• the time it takes the wave to travel from A to G

Use this picture of the electromagnetic spectrum to answer the following questions:

Which type of EMR has the longest wavelength?

• radio

• microwave

• gamma ray

• visible

Use this picture of the electromagnetic spectrum to answer the following questions:

Which type of EMR has the highest frequency?

• Radio

• Microwave

• Visible

• Gamma Ray

Use this picture of the electromagnetic spectrum to answer the following questions:

Name one wave that has a lower frequency than infrared waves

• ultraviolet

• visible

• xray

• radio