# Shared Flashcard Set

## Details

Physics Equations
equations for optics, electricity, magnetics and modern physics
49
Physics
05/02/2012

Term
 double slit bright fringe angle equation: theta=
Definition
 m*(lambda/d)
Term
 double slit bright fringe position: y=
Definition
 (m*lambda*L)/d
Term
 double slit dark fringe position y'=
Definition
 (m+1/2)*(lambda*L)/d
Term
 change in y double slit: delta y=
Definition
 (lambda*L)/d
Term
 diffraction grating angle
Definition
 d*sin(theta)=m*lambda
Term
 diffraction grating positions y=
Definition
 L*tan(theta)
Term
 single slit angle dark fringes: theta=
Definition
 p*(lambda/a) a=slit width, p=fringe order
Term
 position dark fringes single slit y=
Definition
 (p*lambda*L)/a
Term
 slit width central maximum single slit: w=
Definition
 (2*lambda*L)/a
Term
 refraction index: n=
Definition
 c/v
Term
 no phase change condition
Definition
 n1>n2 (v1
Term
 phase change condition
Definition
 n1v2)
Term
 condition for constructive interference w/ 0 or 2 phase changes but destructive interference if only 1 phase change
Definition
 2t=m*(lambda/n)
Term
 condition for destructive interference w/ 0 or 2 phase changes but constructive interference if only 1 phase change
Definition
 2t=(m+1/2)(lambda/n)
Term
 snell's law
Definition
 n1*sin(theta1)=n2*sin(theta2)
Term
 critical angle--condition for total internal reflection: theta(critical)=
Definition
 sin-1(n2/n1)
Term
 thin lens equation
Definition
 (1/s)+(1/s')=(1/f)
Term
 magnification: m=
Definition
 -(s'/s)
Term
 magnification of microscope: M=
Definition
 m(objective)M(eyepiece)=(-L/fobjective)*(25cm/feyepieces)
Term
 telescope magnification: M=
Definition
 -f(objective)/f(eyepiece)
Term
 Rayleigh's Criterion for resolvable objects: theta=
Definition
 (1.22*lambda)/D
Term
 Coulomb's Law: F=
Definition
 k*(q1*q1/r^2)
Term
 Power delivered by emf: P(emf)=
Definition
 I(fancy E)
Term
 electric field: E=
Definition
 kq/r^2 = F/q'
Term
 electric field of capacitor: E=
Definition
 Q/(epsilon0*A)
Term
 potential electrical energy: Ue=
Definition
 (k*q*q')/r
Term
 electrostatic potential: Ve=
Definition
 (k*q)/r
Term
 electric field strenght: E=
Definition
 deltaV/d
Term
 capacitance: C=
Definition
 (Q/deltaV) = (kappa*epsilon0*A)/d
Term
 potential energy of capacitance: Uc=
Definition
 (1/2)*(Q^2/C)=(1/2)*C*(deltaV)^2
Term
 current definition equation: I=
Definition
 delta q/delta t
Term
 potential of battery: deltaV=
Definition
 Wchem/q
Term
 Ohm's Law: I=
Definition
 V/R
Term
 resistance: R=
Definition
 rho*L/A
Term
 Power dissipated by resistance: Pr=
Definition
 I*deltaV=I^2*R=(deltaV^2)/R
Term
 power definition equation: P=
Definition
 energy/time
Term
 Kirchhoff's Loop Law
Definition
 delta Vloop=sum of (delta Vs)=0
Term
 equivalent resistance in series: Req=
Definition
 R1+R2+...+Rn)
Term
 equivalent resistance in parallel: Req=
Definition
 (1/R1 + 1/R2 +... + 1/Rn)^-1
Term
 equivalent capacitance in series: Ceq
Definition
 (1/C1 + 1/C2 +...+ 1/Cn)^-1
Term
 equivalent capacitance in parallel: Ceq=
Definition
 C1+C2+...+C3
Term
 tau (electricity not relativity): tau=
Definition
 RC
Term
 change in potential for capacitor (charging): deltaVc=
Definition
 emf(1-e^-t/tau)
Term
 current in capacitor (charging): Ic=
Definition
 I0*e^-t/tau
Term
 change in potential for capacitor (discharging): deltaVc=
Definition
 deltaV0*e^-t/tau)
Term
 current in capacitor (discharging): Ic=
Definition
 I0*e^-t/tau
Term
 mu0=
Definition
 4pi*10^-7 T m/A
Term
 magnetic field wire: B=
Definition
 (mu0*I)/(2pi*R)
Term
 magnetic field loop: B=
Definition
 (mu0*I)/2R
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