Electromagnetic Spectrum Worksheet
Explore the electromagnetic spectrum with this Grade 11 science worksheet covering its properties, components, and applications.
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Electromagnetic Spectrum Worksheet
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. Show all your work for calculations.
Refer to the diagram of the electromagnetic spectrum below to answer the following questions.
1. Which of the following electromagnetic waves has the longest wavelength?
Gamma rays
Radio waves
X-rays
Ultraviolet light
2. As the frequency of an electromagnetic wave increases, its energy:
Decreases
Increases
Remains constant
Varies unpredictably
3. The electromagnetic spectrum is a continuum of all electromagnetic waves arranged according to and .
4. Visible light is only a small portion of the electromagnetic spectrum, ranging from to .
5. All electromagnetic waves travel at the speed of light in a vacuum.
True
False
6. Infrared radiation has a shorter wavelength than visible light.
True
False
Match each type of electromagnetic wave with its common application.
7. Radio waves
a. Medical imaging (bone fractures)
8. Microwaves
b. Remote controls
9. Infrared
c. Telecommunication (broadcasting)
10. X-rays
d. Heating food
11. Explain the relationship between wavelength, frequency, and energy for electromagnetic waves.
12. Describe one practical application of ultraviolet (UV) light and one potential hazard associated with it.
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