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Physics External Revision Flashcards | StudBud
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Physics External Revision
Physics External Revision
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1
a limitation of the Rutherford model
No realworld examples of the model
Couldn't explain the gold foil experiment
An explaination of the Hydrogen line spectra
All of the above
2
You fingers represent in the order: Thumb, Index, Middle
Field, Current/Velocity, Force
Force, Current/Velocity, Field
Current/Velocity, Field, Force
Field, Force, Current/Velocity
3
Kepler's 3rd law states: "All planets move about the Sun in qlliptical orbits, having the Sun as one of their foci"
False
True
4
To resolve an initial velocity vector into 2 components...
u_x=u\cos\theta+u_y=u\sin\theta
v_y=u\cos\theta+v_x=u\sin\theta
v_x=v\cos\theta+v_y=v\sin\theta
u_x=u\sin\theta+u_y=u\cos\theta
5
Electric Field Strength
The intensity of an electric field at a particular location
Rate of movement of electric charge carriers from a conductor to another.
Region around an elecrically charged particle or object
The change in potential energy per unit charge between two defined points
6
Length Contraction
L_0=L\sqrt{\left(1-\frac{v^2}{c^2}\right)}
L=L_0\sqrt{\left(1-\frac{v^2}{c^2}\right)}
L_0\div\sqrt{\left(1-\frac{v^2}{c^2}\right)}=L
L\div\sqrt{\left(1-\frac{v^2}{c^2}\right)}=L_0
7
Gravitional field strength at a distance from an object
F_g=\frac{GMm}{r^2}
F=\frac{GMm}{r^2}
8
The equation for Centripetal Force
F=\frac{mv^2}{r^2}
F_{net}=\frac{mv^2}{r^2}
F_{net}=\frac{mv^{ }}{r}
F_{net}=\frac{mv^2}{r}
9
The second version of Faraday's law at any angle
emf=-\frac{n\phi}{Δt}
emf=-\frac{nBA}{Δt}
emf=-\frac{nΔ\phi}{Δt}
emf=-\frac{nΔBA_⊥}{Δt}
10
The laws of physics are subject to change in inertial frames of reference
False
True
11
3 Symmetry types
Time Reversal, Momentum, Crossing
Time Reversal, Charge-Reversal, Crossing
Time Reversal, Charge-Reversal, Momentum
12
What is Relativistic Time interval
The time interval measured in FoR at rest
The time interval measured in FoR in motion
13
Lepton and Baryon numbers are a fundamental law of conservation
True
False
14
The four Gauge Bosons
Gluon, W, Z, Photon, Graviton
Gluon, W, Z, Photon
W, Z, Photon, Higgs
Gluon, W, Z, Higgs
15
The original Youngs double slit experiment shows
Light is a wave
Light is a particle