Em waves - Assessment

1.

Multiple Choice

1 min

1 pt

Wave with the longest wavelength

microwave

radio

gamma

visible light

2.

Multiple Choice

1 min

1 pt

The EM wave with frequency higher than infrared and lower than UV.

radio

visible light

xray

gamma

3.

Multiple Choice

1 min

1 pt

When the wavelength increases the frequency will

increase

decrease

remain same

none of these

4.

Multiple Choice

1 min

1 pt

EM waves

Must travel through a vacuum

Can travel through a medium or a vacuum

Are the same type of wave as mechanical waves

Can only travel through a vacuum

5.

Multiple Choice

1 min

1 pt

Visible light is

radiation

light

a way to transfer energy

all of these

6.

Multiple Choice

1 min

1 pt

Infrared rays are important for

Warming the Earth

Providing visible light for plants

Taking X-rays

all of these

7.

Multiple Choice

1 min

1 pt

EM waves have the same speed but different:

frequency & medium

wavelength & frequency

medium & wavelength

color & medium

8.

Multiple Choice

1 min

1 pt

Which of these lists the EM waves from Highest to lowest frequency?

Radio - Micro - Gamma - Visible light - UV - Xrays - Infrared - Xrays

Radio - Micro - Infrared - Visible light - UV - X - Gamma waves

Gamma - Xray - UV - Visible light - Infrared - Micro - radio

none

9.

Multiple Choice

1 min

1 pt

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

X-rays

Visible Light

Gamma Rays

Ultraviolet Rays

10.

Multiple Choice

1 min

1 pt

Which color has the least amount of energy?

red

orange

green

blue

11.

Multiple Choice

1 min

1 pt

________________ are waves used by cops to test the speed of your car with RADAR.

Ultraviolet

Infrared

Radio

Microwaves

12.

Multiple Choice

1 min

1 pt

Cancer can be treated with_______________waves.

Penicillin

Radio

Infrared

Gamma

13.

Multiple Choice

1 min

1 pt

This type of Electromagnetic wave shows a break in bones.

gamma ray

x-ray

brokenometer

radio wave

14.

Multiple Choice

1 min

1 pt

Which type of electromagnetic radiation is used extensively in communications?

radio waves

gamma rays

infrared rays

X-rays

15.

Multiple Choice

1 min

1 pt

How are EM waves different from Mechanical waves?

EM waves need a medium

Mechanical waves need a medium

EM waves can travel through empty space only

Mechanical waves transfer matter

16.

Multiple Choice

1 min

1 pt

Infrared has a higher frequency than

x-ray

gamma

visible light

radio

17.

Multiple Choice

1 min

1 pt

Which wave has the largest wavelength?

A

B

C

None (same wavelength)

18.

Multiple Choice

1 min

1 pt

Which property determines the amount of energy for an ELECTROMAGNETIC wave?

amplitude

frequency

particle size

medium

19.

Multiple Choice

1 min

1 pt

A EM wave is an example of a

transverse wave

longitudinal wave

both

none

20.

Multiple Choice

1 min

1 pt

Wave with shortest wavelength

UV

radio waves

gamma

visible

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