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IB physics formula sheet, Cheat Sheet of Physics

Formula sheet in measurements and uncertainties, mechanics, thermal concept, waves, electricity and magnetism, circular motion and gravitation.

Typology: Cheat Sheet

2021/2022
On special offer
30 Points
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Limited-time offer


Uploaded on 02/07/2022

shashwat_pr43
shashwat_pr43 🇺🇸

4.5

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5 documents

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Download IB physics formula sheet and more Cheat Sheet Physics in PDF only on Docsity! IB  Physics  Formula  Sheet  (from  the  Physics  Data  Booklet)   _____________________________________________________________________________________   Topic  1:  Measurement  and  uncertainties     1.1.  Measurements  in  physics       1.3.Vectors  and  scalars     AH  =  A  cosθ   1.2.  Uncertainties  and  errors   AV  =  A  sinθ   If  y  =  a  ±  b    then  ∆y  =  ∆a    +  ∆b           If  y  =  ab/c    then  ∆y/y  =  ∆a/a    +  ∆b/b  +  ∆c/c       If  y  =  an  then  ∆y/y  =    |n  ∆a/a|   _____________________________________________________________________________________   Topic  2:  Mechanics     2.1.  Motion     2.2.  Forces   2.3.  Work,  energy  and  power   2.4.  Momentum  and  impulse     v  =  u  +  at   F  =  ma   W  =  Fs  cosθ   p  =  mv     s  =  ut  +  (1/2)at2   Ff  ≤  µsR   EK  =  (1/2)mv2   F  =  Δp/Δt     v2  =  u2  +  2as   Ff  ≤  µdR   EP  =  (1/2)kΔx2   EK  =  p2/2m     s  =  (1/2)(v  +  u)/t   ΔEP  =  mgΔh         power  =  Fv       Efficiency  =  Wout/Win  =  Pout/Pin         _____________________________________________________________________________________   Topic  3:  Thermal  concepts     3.1.  Thermal  concepts       3.2.  Modelling  a  gas   Q  =  mcΔt   p  =  F/A   Q  =  mL   n  =  N/NA     pV  =  nRT     EK  =  (3/2)kBT  =  (3/2)RT/NA   _____________________________________________________________________________________   Topic  4:  Waves     4.1.  Oscillations     4.2.  Travelling  waves     4.3.  Wave  characteristics     T  =  1/f   c  =  λf   I  ∝  A2         I  ∝  x-­‐2   4.4.  Wave  behaviour       4.5.  Standing  waves     I  =  I0  cosθ   _____________________________________________________________________________________   Topic  5:  Electricity  and  magnetism     5.1.  Electric  fields   5.2.  Electric  currents   5.3.  Electric  cells   5.4.  Magnetic  effects     I  =  Δq/Δt   ΣV  =  0  (loop)   ε  =  I(R  +  r)   F  =  qvB  sinθ     F  =  kq1q2/r2   ΣI=  0  (junction)     F  =  BIL  sinθ     k=  1/(4πε0)   R  =  V/I     V  =  W/q   P  =  VI  =  I2R  =  V2/R     E  =  F/q   Rtotal  =  R1  +  R2  +  …     I  =  nAvq   1/Rtotal  =  1/R1  +  1/R2  +  …       ρ  =  RA/L   _____________________________________________________________________________________   AH   AV   A   _____________________________________________________________________________________   Topic  6:  Circular  motion  and  gravitation     6.1.  Circular  motion     6.2.  Newton’s  law  of  gravitation     v  =  ωr   F  =  GMm/r2     a  =  v2/r  =  4π2r/T2   g  =  F/m     F  =  mv2/r  =  mω2r   g  =  GM/r2   _____________________________________________________________________________________   Topic  7:  Atomic,  nuclear  and  particle  physics     7.1.  Discrete  energy  and  radioactivity     7.2.  Nuclear  reactions     E  =  hf   ΔE=  Δm  c2     λ  =  hc/E     7.3.  The  structure  of  matter   Charge   Quarks   Baryon  number   (2/3)e   u   c   t   1/3   -­‐(1/3)e   d   s   b   1/3   All  quarks  have  a  strangeness  number  of  0  except  the   strange  quark  that  has  a  strangeness  number  of  -­‐1             _____________________________________________________________________________________   Topic  8:  Energy  production     8.1.  Energy  sources       8.2.  Thermal  energy  transfer     Power  =  energy/time   P  =  eσAT4     Power  =  (1/2)  Aρv3     λmax  =  2.90×10-­‐3/T       I  =  power/A       albedo  =  total  scattered  power  /  total  incident  power   _____________________________________________________________________________________   Topic  9:  Simple  harmonic  motion     9.1.  SHM     9.2.  Single-­‐slit     9.3.  Interference           ω  =  2π/T   θ  =  λ/b   nλ  =  d  sinθ     a  =  -­‐ω2x   Constructive  interference:  2dn  =  (m  +  ½)λ     x  =  x0  sin  ωt;    x  =  x0  cos  ωt;     Destructive  interference:  2dn  =  m  λ     v  =  ωx0  cos  ωt;  v  =  -­‐ωx0  sin  ωt;       v  =  ±ω  sqrt  (x02  –  x2)     9.4.  Resolution     9.5.  Doppler  effect     EK  =  (1/2)m  ω2  (x02  –  x2)   θ  =  1.22  λ/b   Moving  source:  f  ‘  =  fv/(v  ±  us)     ET  =  (1/2)m  ω2x02     R  =  (λ/∆λ)  =  mN   Moving  observer:  f  ‘  =  f(v  ±  uo)/v     Pendulum:  T  =  2π  sqrt  (l/g)     ∆f/f  =  λ/∆λ   ≈  v/c     Mass-­‐spring:  T  =  2π  sqrt  (m/k)   _____________________________________________________________________________________   Charge   Leptons   -­‐1e   e   µ   τ   0   ν  e   νµ   ντ   All  leptons  have  a  lepton  number  of  1   and  antileptons  have  a  lepton   number  of  -­‐1     Gravitational   Weak   Electromagnetic   Strong   Particles  experiencing   All   Quarks,  leptons   Charged   Quarks,  gluons   Particles  mediating   Graviton   W+,  W-­‐,  Z0   γ   Gluons  
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