# XII Physics Important Topics For Supply 2013

Important Questions:

Chapter 11:
Molar specific heat
1st law of thermodynamics (with processes)
2nd law of thermodynamics
Describe Isobaric and Adiabatic process with graphical representation?
Equate the clausius and kelvin statements
Define co-efficient of Linear and Cubical expension with unis. Also show that coeffecient of linear expension is equal to the one third of coeffeient of cubical expension?
K.E is directly proportional to Temperature
PV=nRT

Chapter 12:
Gauss’s law and (its prove)
Application of the Gauss’s law (spherical charged shell, infinite sheet of charges, two oppositively charged plates)
Factors effecting on the capacitance of the capacitor
Electric Flux
Capacitors (in series and parallel)
Coulumb’s law

Chapter 13:
Resistivity
Temperature coefficient
e.m.f with its derivation
Resistance (in series and parallel)
Ohm’s law with its limitation

Chapter 14:
F=Bsintheta
JJ Thomson’s Experiment
Derivation for B, A.C generator
Laws of electromagnetic induction
Mutual Induction
Ampere’s circular law with ots application
Lenz’s law
Motional e.m.f
F=qvB

Chapter 15:
Galvanometer
Ammeter and Voltmeter
Factors effecting on the sensitivity of the galvanometer
Voltmeter
Wheat stone bridge
Construction and working of galvanometer

Chapter 16:
Diode as a rectifier
P type, n type
Semi conductor
Forward bias, Reversed bias
Band theory

Chapter 17:
Compton effect
Theory of relativity with its consequence
Einstien results for the photo electric equation

Chapter 18:
Derivation of enrgy level diagram
Bohr’s X-ray production
Laser, ruby laser

Chapter 19:
Exponential equation of the radioactive decay
Law of radioactive decay
Half life
Mass defect
Binding Energy

Chapter 20:
Geiger mular counter