Class 12 Physics Notes

• Important Class 12 physics exercise for Intermediate students.
• What are the factors on which electric flux depends?
• State the Gauss’s law and write its mathematical relation.
• What are the factors on which Coulomb’s force between two charges depends?
• Important Class 12 physics exercise solutions for Intermediate students.
• Define permittivity of free space and relative permittivity. Also give their units.
• Write the similarities and dissimilarities between electric force and gravitational force.
• Draw a graph for charging and discharging of a capacitor in case of RC circuit.
• Important Class 12 physics exercise notes for Intermediate students.
• Prove that Coulomb’s law obeys third law of motion.
• Define electrolysis and state the basic principle of electroplating.
• List and briefly explain four kinds of current sources.
• Important Class 12 physics exercise questions for Intermediate students.
• What is a voltameter? Define its two electrodes.
• Define ohmic and non-ohmic devices and give examples. 
• Briefly explain Kirchhoff’s second rule for and electric circuit. 
• Important Class 12 physics exercise mcqs for Intermediate students.
• Distinguish between resistivity and conductivity. 
• What is meant by tolerance? Find the resistance of a resistor with red, green, orange and gold respective bands.
• Define temperature coefficient of resistance and write its formula and units. 
• Important Physics class 12 exercise mcqs for Intermediate students.
• How can the sensitivity of a galvanometer be increased? 
• What are the factors on which the force on a current carrying conductor in a magnetic field depends upon? 
• How can you convert a galvanometer into voltmeter?
• Important exercise questions of Physics class 12 for Intermediate students.
• Define the permeability of free space and gives its units.
• What is a dead beat galvanometer and why is it more desirable?
• Is it possible to obtain an isolated north pole? Give reasons.
• Important class 12 physics exercise short questions for Intermediate students.
• Define electromagnetism and give the name of one device in which electromagnetism is used.
• What are the dimensions of mutual inductance?
• Distinguish between slip rings and split rings.
• State Faraday’s law and write it in mathematical form.
• Important Exercise questions of Physics class 12 for Intermediate students.
• Give the two techniques to improve the efficiency of a transformer.
• Define resonance frequency? Give its equation. 
• How does the voltage output of a generator change with its angular velocity?
• With reference to modulation, give the difference b/w information and carrier?
• How much energy is consumed by a chock when an AC is passed through its? Explain.
• Important Physics Class 12 Exercise Short Questions for Intermediate students.
• Define reactance? Describe the condition which will make the resistance small.
• Differentiate b/w single phase and three phase AC supply? 
• Write down advantages and disadvantages of A.M and F.M?
• Why power is dissipated zero in pure inductive and pure capacitive circuit? 
• Here are the detailed Important Short Question of Physics Class 12 to help you prepare for your exams.
• What is meant by Hysteresis Loss?
• What are ferromagnetic and dia-magnetic substances?
• Describe briefly about the formation of energy bands in semi-conductor?
• Differentiate between ductile and brittle substance. Give an Example of each? 
• Distinguish b/w elasticity and plasticity?
• Explain briefly insulator on the basic energy band theory?
• Differentiate b/w proportional limit and elastic limit?
• What is a transistor? How n-p-n transistor circuit is drawn in a common emitter configuration?
• What is potential barrier? What is the value of potential barrier for se and Ge?
• What is meant by forward biased pn-junction? 
• Draw a circuit diagram of a full wave rectification. 
• How will you obtain N-type and P-type material from pure silicon? 
• Draw input and output wave forms of half wave and full wave rectifier.
• What is the mathematical expression of AND gate? Write its truth table.
• Write three results of special theory of relativity. 
• If electron and proton have same De-Broglie wavelength. Which particle has greater speed?
• Define frame of reference? Differentiate inertial frame and non-inertial frame? 
• How time dilation effect the aging process of human body? 
• Why is cavity radiator considered as black body? 
• Write two postulates of special theory of relativity.
• Write the advantages of NAVSTAR navigation system.
• Distinguish general theory of relativity and special theory of relativity. 
• When light shines on the metal surface, is momentum transferred to metal surface?
• State uncertainty principle? Give its two mathematical forms.
• Write a note on CAT Scanner?
• Write some uses of laser in medicine and industry?
• Differentiate an orbital electron from a free electron? 
• How does stimulated emission differ from spontaneous emission?
• What is difference b/w Bremsstrahlung radiation and characteristic X-rays in production?
• Differentiate b/w line spectrum , band spectrum and continuous spectrum.
• Define characteristic X-rays and continuous X-rays?
• What is meant by Normal population and population inversion?
• Explain what is the difference between laser light and incandescent light?
• Define Decay constant?
• What are the main parts of the nuclear reactor?
• Which element has the maximum binding energy per nucleon value and also write its values?
• How do alpha and beta ionize an atom?
• What are background radiations? Write their two sources.