Discussion #21 – Electromagnetic Waves - Physics 221
2. Electromagnetic Waves and Intensity
Goal: Practice with the intensity of electromagnetic waves.
2 The intensity of an electromagnetic wave is 10 W/m .
a) What is the intensity if the electric field is doubled?
b) What is the intensity if the magnetic field is doubled?
c) What is the intensity if the frequency is doubled?
3. Miscellaneous Wave Properties
Goal: Practice working with various properties of waves. These
are unrelated parts....
Describe Maxwell's predictions and electromagnetic
waves.
In your own words, explain electromagnetic spectrum and give
examples.
In your own words, explain Doppler effect for the
electromagnetic waves and red shift.
ANSWER IT ALL OR DONT ANSWER. TY.
List the steps involved in a qualitative biomechanical analysis
for technique improvement
Describe the important guidelines for observing a
performance
Describe the difference between technical training and physical
training
Evaluate a technical exercise or drill and determine whether it
is appropriate
Describe the steps involved in a qualitative anatomical
analysis
Identify the active muscle groups during any phase of a human
movement and whether their contraction is concentric, eccentric, or
isometric
Describe the series of events that occurs during an action
potential, including the ions involved, how each ion is moved, and
the change in membrane potentials.
• Explain the role of myelin in conduction of action
potentials.
• Explain how neurotransmitters transmit signals across
synapses.
• Distinguish between sensation and perception.
• Describe the function of sensory receptors and list 5 types.
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