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physics revision
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19
Physics
Not Applicable
09/18/2005

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Term
adiabetic system
Definition
a system in a state of thermal isolation, no heat transferred
Term
adiabetic process
Definition
no heat transferred
Term
conservative force
Definition
the work it does, when its point of application moves from one point to another, os independent of the route followed between those points
Term
faraday's law
Definition
the magnitude of the induced EMF around the boundary of its surface is equal to the |derivative of magnetic flux| through that surface
Term
explain the born interpretation
Definition
the wavefunction of a partical determined the probability of findingthe partical in a given region
Term
boson
Definition
partical that has zero spin and does not obey the pauli exclusion principle
Term
fermion
Definition
particle with half integer spin that obey the pauli exclusion principle
Term
derivative
Definition
for a given function f(y) it is the rate of change of f(y) with respect to y
Term
conservative force
Definition
the work it does when its point of application moves from one point to another, is independent of the route followed between those points
Term
simple harmonic motion
Definition
a form of oscillatory motion about an equilibrium position, the acceleration is always directed towards the equilibrium position and proportional to the displacement from that point
Term
conservation of angular momentum
Definition
the total angular momentum about any point remains constant as long as no net external torque about that point acts on that system
Term
PVT surface
Definition
for an ideal gas P represents the pressure V represents the volume and T represents the temperature they characterize the equilibrium states odf a given macroscopic system
Term
vector field
Definition
a quantity that can have a definite magnitude and direction ascribed to it at every point, i.e electric field.
Term
Lorentz transformation
Definition
coordinate transformation of special relativity.if an event occurs in frame of reference A then the coordinates of the same event in frame of refernece B is x'=x-Vt/sqrt(1V^2/c^2)
t'=t-(Vx/c^2)/sqrt(1-V^2/c^2)
wher V is the relative speed of B with respect to A
Term
de Broglie formula
Definition
the equation lambda=h/p for the de broglie wavelength of a material in terms of planks constant,h, and the magnitude of the (relativistic) momentum,p,
Term
de Broglie wavelength
Definition
the wavelength which de broglie's theory of wave particle duality assigns to a material particle of given momentum
Term
binding energy of a nucleus
Definition
the least amount of energy required to seperate a system into its components
Term
Kepler's laws
Definition
three laws describing the motion of the planets around the sun
1. the orbit of each planet is an ellipse with the sun at one focus
2. a radial line from the sun to a planet sweeps out equal areas in equal intervals of time
3. the square of the orbital period of each planet is proportional to the cube of its semimajor axis
Term
Newtons law of universial gravitation
Definition
every particle of matter attracts every other particle of matter with a gravitational force whose magnitude is directly proportional to the product of the masses of the particles and inversely proportional to the square of the distance between them
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