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from Navy Children School, asked a question
Subject: Physics , asked on 18/2/15

list of derivations in physics class 12 cbse chapterwise (for board exams).please hurry up!!!

From Delhi Public School, added an answer, on 7/3/15
Ray Optics:
Derivation of mirror formula,
Derivation of lens formula
Refraction at spherical surface
Lens Makers Formula
Refraction through Prism
Optical Instruments Derivation of formula for magnification

Electromagnetic Induction & Alternating Current:

Motional Emf
Deriving a formula for induced emf in a rotating coil (AC Generator)
Conceptual questions based on Eddy currents
mutual induction between two coils and two solenoids
Derivation of current voltage relationship for Pure R, pure L and pure C inductive and capacitative reactance calculation of impedance, current and voltage across each element
LCR Series - Phasor diagrams in all cases LR, LC circuits also can be done from LCR
Resonance
Average power in A.C. circuits pure R(not very high chance), pure L and pure C and LCR series

Transformer

Magnetism
Not many derivations in this chapter

Magnetic Effects of current:
Field at the center of a circular coil
Field at any point on the axis of circular coil
Working of cyclotron
Derivations related to Cyclotron
Field due to a toroid
field due to a solenoid
Torque on a current carrying coil placed in a magnetic field
Moving coil galvanometer

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From Delhi Public School, added an answer, on 8/3/15
where are the rest of derrivations

• 6

here you can find short notes...

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ljlkn

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From St. Paul School, added an answer, on 24/2/16
Some Imp derivations that u should know :  1. Work done (dipole electric field) *  2. Energy in capacitor **  3. Wheatstone bridge (meter bridge)***  4. Potentiometer****  5. Bio savarts law ( for infinite wire, finite wire, loops etc)****  6. Ampere law***  7 solenoid***  8. Cyclotron *****  9. Magnetic force on charge particle**  10. Moving coil galvanometer*****  11. Energy stored in inductor**  12. LC oscillator***  13. AC generator*  14. OPTICS lens maker formula***  15. Prism min. Angle of deviation***  16. Ydse experiment ***  17. Npn transistor (amplifier , switch etc)*****  18. Bohr model ( radius*** , velocity** , energy**** , time period *and Bohr magneton***)
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From Maharishi Vidya Mandir, added an answer, on 2/3/16
lens makers formula
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From Blue Birds International School, added an answer, on 4/3/16
And also definitions
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