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Fixed-End Reflection (Grades 11-12)

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Fixed-End Reflection

Instructions: Read each question carefully. Choose the answer that best fits the question. Short answer response questions must be responded to in complete sentences. If the question involves calculations, you must show all your math work.

Use the image below to visualize and answer the following questions about wave pulse behavior with a fixed-end boundary.
Fixed End Reflected Pulse
1. 
What happens if an upward displaced pulse is incident towards a fixed end boundary?



2. 
Which part of the image depicts the incident pulse?
  1. A
  2. B
  3. C
3. 
How does the speed of a reflected pulse compare to the speed of an incident pulse?



4. 
Which part of the image depicts the reflected pulse?
  1. A
  2. B
  3. C
5. 
How do the wavelengths and amplitudes of a reflected pulse compare with those of its incident pulse?



6. 
What happens if a downward displaced pulse is incident towards a fixed end boundary?



7. 
Explain, in detail, why the amplitude of the reflected pulse is less than the amplitude of the incident pulse.



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