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Unit IV - Wave Phenomena
I. Introduction to Waves
Wave – a
vibratory disturbance that travels through a
material or space
Ex) sound, water waves, light, microwaves, heat rays
| A. Waves and Energy |
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| 1. Waves transfer energy from one place to
another with no transfer of mass |
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2. Waves can be produced in two ways:
a. Vibration of particles
(requires a medium for transfer) (mechanical wave)
Biswajeet - India
ex) sound, water wave, spring wave
Splash of a Water Drop
N. Carolina
School of Science and Mathematics
b. Small changes in the strength of an electromagnetic field
(requires no
medium for transfer)
ex) light, microwaves, x-rays
3d Electromagnetic Wave
# 1 - David M. Harrison
3d Electromagnetic Wave
# 2 - David M. Harrison
Radiology Centennial, Inc
copyrighted in 1993
Pulses & Periodic Waves
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