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Advanced Physics Concepts-Waves, Sound, & Light
Transcript of Advanced Physics Concepts-Waves, Sound, & Light
A wave is a disturbance that transfers energy from place to place
are waves that move at the medium at right angles to the direction in which the waves travel
Longitudinal waves move the medium parallel to the direction in which the waves travel
Electromagnetic waves are transverse waves that transfer electrical and magnetic energy
A Standing wave is a wave that appears to stand in one place, even though it is really two waves interfering as they pass through each other
is a disturbance that travels in
The speed, wavelength, and frequency of a wave are related to one another by a mathematical formula:
Interference is the interaction between waves that meet.
Two types of interference:
Constructive interference- Waves combine to make a wave with larger amplitude
Destructive interference-Two waves combine to make a wave with smaller amplitude
All sounds travel through air at the same speed.
The speed of sound depends in the
of the medium the sound travels through.
: the ability of a material to bounce back after being disturbed. Solids are more elastic than liquids, and gases
: how much matter or mass there is in a given amount, or volume.
describes your perception of the energy of a sound.
depends on two factors: the amount of energy it takes to make the sound, and the distance from the source of the sound.
is the amount of energy a sound wave carries per second through a unit area.
: the unit used to compare the loudness of different sounds.
Created by Olivia Chow, Katherine Raykova & Morgan Potoski
Waves, Sound, and Light
Speed= Wavelength X Frequency
reflects or absorbs
that hits it.
that hits it.
the light as it passes through.
The color of an
object is the color of the light it
The color of
objects is the color of the light they
is when parallel rays of light hit a smooth surface and reflect at the same angle.
is when parallel rays of light hit an uneven surface and reflect at different angles.
is a copy of an object formed by reflected rays of light.
begin with vibrations.
: created when air particles are pushed together.
: created when air particles spread out.
You hear sounds when the energy in the sound waves, from the source, reach your ears.
can travel through air, solids, and liquids.
with each other
is when light rays enter a
at an angle and bend.
Index of Refraction
is a measure of how much a ray bends when refraction occurs.
the Index of Refraction,
the more light it bends.
is an image of a distant object
caused by refraction.
is a curved piece of glass used to
refract light and form an image
thicker glass in the center than around the edges
thinner glass in the center than around the edges
the light waves that pass through never meet
Diffraction- when a wave moves around a barrier or through an opening in a barrier
Refraction- the bending of a wave due to change in speed
An object is
if you see it by
An object is
if it gives off its
is an example of an
are examples of
There many different kinds of waves
is the effect produced by a
source of sound waves
If source is
If source is
from you --