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What are the Learning Objectives of Lesson 7.1 Introduction to Waves
Differentiate
the
longitudinal
and
transverse
waves
Identify
and
discuss
the
different
types
of
waves
Wave
a disturbance traveling through medium or in a vacuum
it can be described as a disturbance that travels through a medium from one location to another location
Wave Pulse
single unrepeated disturbance
wave train
succession of periodic disturbances
Pulse
a single disturbance moving through a medium from one location to another location.
Repeating disturbance
if we observe that the slinky is continuously and periodically vibrated in back and forth manner, what do u call this?
Classification of Waves
Waves are classified according to their direction of vibration and its nature
When we talk about
nature
: it's either
mechanical
or
electromagnetic
waves
When we talk about
direction
of
vibration
: It can be either
transverse
and
Longitudinal
Mechanical Waves
type of wave that requires a material medium to propagate
Example of Mechanical Wave
Sound Wave
- since it cant travel in vacuum, it needs medium to propagate
Electromagnetic Waves
can travel through a vacuum and in material media such as light, heat, radio waves, and microwave
Transverse Waves
when the particles of the medium are vibrating perpendicularly to the direction of wave propagation.
made up of alternating hills and valleys
Crest
the top of the hill
Trough
bottom of the valley
Rests
The position of maximum upward displacement from the equilibrium position
Trough
the
position of maximum downward displacement from the equilibrium position