WorksheetsElectromagnetic Wave Behavior and Calculations
Total questions: 20
Worksheet time: 50mins
If you buy sunglasses in a store, you can be sure that they are polarized when one pair of sunglasses is placed in front of another and rotated in the plane of the body and
the light passing through the sunglasses will be blocked at two positions due to refraction of light.
the light passing through the sunglasses will be blocked at two positions due to reflection of light.
the light passing through the sunglasses will be blocked at two positions due to the polarization of light.
the light passing through the sunglasses will be blocked at two positions due to the bending of light waves.
Explain in terms of distance and the speed of light why it is currently very unlikely that humans will visit planets that circle stars other than our Sun.
The spacecrafts used for travel are very heavy and thus very slow.
Spacecrafts do not have a constant source of energy to run them.
If a spacecraft could attain a maximum speed equal to that of light, it would still be too slow to cover astronomical distances.
Spacecrafts can attain a maximum speed equal to that of light, but it is difficult to locate planets around stars.
Which wave has a greater frequency?
A
B
What are the 3 primary colors of light?
red, green, blue
yellow, orange, violet
red, black, green
magenta, cyan, indigo
If a person could travel at the speed of light, it would still take 4.3 years to reach the nearest star, Proxima Centauri. How far away, in meters, is Proxima Centauri (ignoring the relativistic effects)?
7.0 x 107 m
1.3 x 109 m
7.7 x 1010 m
4.1 x 1016 m
Given a scenario in which the sun was very quickly covered by a large blanket, how long would it take for the resulting darkness to reach Jupiter
7.79 x 1011 m away?
0 s; it would happen instantaneously
.002 s
500 s (8.3 mins)
2,600 s (43 mins)
Calculate the wavelength of light that has a frequency of 5.2 x 1012/s.
5.8 x 10 -5 m
5.8 x 10 -7 m
5.19 x 10 14 m
1.56 x 10 23 m
A microwave oven emits radiation at a wavelength of 0.00500 m. What is the frequency of this radiation?
6.67 x 10-7 Hz
2.00 Hz
1.50 x 106 Hz
6.00 x 1010 Hz
If an AM radio station broadcasts at
9.95 x 105 Hz, what is the wavelength of this radiation?
6.59 x 10-28 m
1.01 x 10-6 m
3.32 x 10-3 m
302 m
When you go out to sun, ultraviolet light rays give you your tan. What is the wavelength of this light if it has a frequency of
7.74 X 1014 Hz?
3.88 x 10-7 m
3.26 x 10-2 m
2.58 x 106 m
2.32 x 1023 m
IRAS, the Infrared Astronomy Satellite launched by NASA in 1983, had a detector that measured infrared or heat radiation from different regions of space. What is the frequency of infrared light that has a wavelength of
1.10 X 10-6 m?
3.67 x 10-15 Hz
3.67 x 10-3 Hz
2.73 x 102 Hz
2.73 x 1014 Hz
A particular light source gives off light waves with a measured wavelength of
2.0 x 10-7 m. What is the frequency of the light source?
6.67 x 10-15 Hz
6.0 x 1011 Hz
1.5 x 1015 Hz
not enough information to answer
