Formulas Not on Formula Book 3.5 / 5 based on 2 ratings ? PhysicsASOCR Created by: nhavers5Created on: 09-04-13 18:24 Magnification (D, dioptres) Magnification= Image height/Object height 1 of 31 Number of Bytes Number of Bytes = Number of Bits/8 2 of 31 Number of Bits Number of Bits = log2(Number of Possible Values) 3 of 31 Minimum Rate of Sampling (Hz) Minimum Rate of Sampling = 2 X Maximum Frequency 4 of 31 Rate of Transmission (bits per s Rate of Transmission = Samples per second X Bits per sample 5 of 31 Bandwidth (Hz) Highest frequency - Lowest frequency 6 of 31 Bandwidth (Hz) Bandwidth ≈ Maximum number of bits per second 7 of 31 Bandwidth (Hz) Bandwidth = Carrier frequency 8 of 31 ɛ,EMF (V) Terminal P.D. + Lost P.D. 9 of 31 ɛ,EMF (V) EMF = Current X (Circuit resistance + Internal resistance) 10 of 31 Vout (In a Potential Divider) (V) Vout = Supply voltage X R1/R1+R2 11 of 31 Power (W) Power = Energy/time 12 of 31 Energy (J) Energy = Current X Time X Voltage 13 of 31 Work Done (J) Work Done = Energy 14 of 31 Destructive Interference occurs when? λ X (n+0.5) where n is any integer 15 of 31 Constructive Interference occurs when? λ X n where n is any integear 16 of 31 λ, Wavelength of light (m) (λ + Distance between slits and the wall) / Distance between the slits 17 of 31 λ, Wavelength of light (m) Distance between the slits X sinθ = number of Maximas X λ 18 of 31 Energy in a photon (J) Energy in a photon = Planck's Constant X Speed of Light / λ 19 of 31 Probability of a path being taken Probability = Resultant Phasor Amplitude² 20 of 31 Energy in an electron (J) Energy in an electron = eV (electonvolt) it is a constant 21 of 31 Number of electrons emitted Number of electrons = 1/ Charge on an electron 22 of 31 Displacment (m) S = ((u+v)/2)t 23 of 31 Force (N) F = ma 24 of 31 Work (J) W = FS (displacment must be in direction of force) 25 of 31 Force due to gravity (N) also known as weight F = mg (gravitational acceleration is 9.8) 26 of 31 Gravitational Potential Energy (J) GPE = mg X height of object 27 of 31 Kinetic Energy (J) 0.5mv² 28 of 31 Elastic Potential Energy 0.5 X stiffness constant (k) X extension 29 of 31 Gradient dy/dx = ΔY/ΔX 30 of 31 Sensitivity Δ in dependent / Δ in independent 31 of 31
AS physics unit 3 revision notes (prt 2 - light experiments) 5.0 / 5 based on 1 rating Teacher recommended
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