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Electromagnetism and Spectroscopy

Electromagnetism and Spectroscopy

Assessment

Presentation

Physics

12th Grade

Practice Problem

Hard

NGSS
HS-PS4-1, HS-PS4-3

Standards-aligned

Created by

Maria Woodbury

FREE Resource

3 Slides • 4 Questions

1

Speed of Light

Maxwell unified electricity and magnetism and predicted that there are waves that travel at a constant speed of different frequencies that are propagated by oscillating magnetic and electric fields.

So, how do we measure it?

https://www.youtube.com/watch?v=YMO9uUsjXaI

2

Drag and Drop

Fizeau's experiment was to ​
Drag these tiles and drop them in the correct blank above
determine the speed of light
determine the angular velocity of light
to see whether he could block light

3

Reorder

Reorder the following in chronological order

Romer

Fizeau

Foccault

Rosa and Dorsey

Evansen

1
2
3
4
5

4

A note about Hertz

https://www.youtube.com/watch?v=QZXYFr5YHew

Watch the video carefully, and answer the questions that follow

5

Multiple Select

Maxwell's contribution to EMR was

1

he predicted that EM waves other than light existed

2

light was an EM wave

3

light was an electromagnetic disturbance

4

visible light had a specific wavelength

6

Multiple Select

Hertz found that radiowaves

1

travelled in straight lines

2

could be reflected

3

had a certain wavelength

4

waves could be blocked

7

​Now some things about spectroscopy!

https://www.youtube.com/watch?v=NqUPEnbrz44

Speed of Light

Maxwell unified electricity and magnetism and predicted that there are waves that travel at a constant speed of different frequencies that are propagated by oscillating magnetic and electric fields.

So, how do we measure it?

https://www.youtube.com/watch?v=YMO9uUsjXaI

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