Electromagnetic Waves and Interference Worksheet
Explore the properties of electromagnetic waves, their spectrum, and principles of interference with this Grade 11 Physics worksheet.
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Electromagnetic Waves and Interference
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Read each question carefully and answer to the best of your ability. Show all work for calculations.
1. Which of the following electromagnetic waves has the longest wavelength?
Gamma rays
X-rays
Radio waves
Ultraviolet light
2. Constructive interference occurs when two waves meet and their resultant amplitude is:
Smaller than either original wave
Larger than either original wave
Zero
Unchanged
3. The speed of all electromagnetic waves in a vacuum is .
4. The phenomenon where waves bend around obstacles or spread out after passing through an opening is called .
5. Explain the difference between transverse and longitudinal waves. Give an example of an electromagnetic wave and state whether it is transverse or longitudinal.
6. Refer to the diagram below to answer the following questions.
a) Which type of electromagnetic wave has a frequency higher than visible light but lower than X-rays?
b) Arrange the following in order of increasing wavelength: microwaves, gamma rays, infrared radiation.
7. Electromagnetic waves require a medium to travel.
True
False