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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

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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This image will do....

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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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**Chapter 1 (Electric Charges and Fields)**

1. **Coulomb’s law of Electric Force**

2. **Coulomb’s law in vector form**

3. **Principle of superposition of electrostatic forces**

4. **Electric field (EF) due to a point charge**

5. **EF due to a system of point charges**

6. **EF at axial point of electric dipole**

7. **EF at equatorial point of electric dipole**

8. **Torque on a dipole in uniform EF**

9. **Gauss’s theorem**

10. **EF due to a uniformly charged infinite plane sheet**

11. **EF of 2 positively charged parallel plates**

12. **EF due to 2 oppositely charged parallel plates**

13. **EF** **due to uniformly charged thin spherical shell**

14. **EF of a line charge (from Coulomb’s law)**

15. **EF due to an infinitely long straight charged wire**

16. **Deduction of Coulomb’s law from Gauss’s theorem**

**Chapter 2 (Electrostatic Potential & Capacitance)**

1. **Electric Potential (EP) due to a point charge.**

2. **EP at an axial point of dipole**

3. **EP at an equatorial point of dipole**

4. **EP at any general point due to a dipole**

5. **EP due to a group of point charges**

6. **EP due to uniformly charged thin spherical shell**

7. **Relation between EF & EP**

8. **Potential Energy (PE) of system** **of 2 point charges**

9. **PE of a system of 3 point charges**

10. **PE of a system of N point charges**

11. **PE of a single charge**

12. **PE of system of 2 point charges in an external field**

13. **PE of a dipole placed in an uniform electric field**

14. **Parallel Plate Capacitor (Capacitance)**

15. **Capacitors in series & parallel**

16. **Energy stored in a capacitor**

17. **Energy stored in series combination of capacitors**

18. **Energy density of an EF**

19. **Reduced field inside a dielectric & dielectric constant**

20. **Electric susceptibility**

21. **Relation between electric susceptibility & dielectric constant**

22. **Capacitance of a parallel plate capacitor with a dielectric slab**

23. **Collecting action of a hollow sphere**

**Chapter 3 (Current Electricity)**

1. **Wheatstone Bridge (Working & Balanced condition)**

2. **Meter Bridge (Principle, Construction & Working )**

3. **Potentiometer (Principle, Construction)**

4. **Applications of a potentiometer:**

·

o **Comparison of emfs of 2 primary cells**

o **Internal resistance of a primary cell**

5. **Resistances in series & parallel**

6. **Relation between potential difference (V), internal resistance (r) and emf (E)**

7. **Cells in series and parallel**

8. **Condition for max current from (series & parallel) combination of cells**

9. **Power consumed by (series & parallel) combination of appliances**

10. **Mobility of charge carriers**

11. **Relation between (b/w) electric current (I) and mobility for conductors**

12. **Relaxation time and drift velocity**

13. **Relation b/w (I) and drift velocity**

14. **Deduction of Ohm’s law (from drift velocity)**

15. **Ohm’s law in vector form**

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can u help me in solving numercial based on kirchof rule

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TOTAL 164 DERIVATION ARE THERE

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here you can find short notes...

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Frndzz C D qstn again

U have to tell imp. Derivation not all derivation.

Coz all off u almost wrot D max derivation in which students r confus that which one is imp. So wrot only imp. Plz

U have to tell imp. Derivation not all derivation.

Coz all off u almost wrot D max derivation in which students r confus that which one is imp. So wrot only imp. Plz

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google it bro

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ncert is best

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your welcome varun and sathayam...these are the only derivations for board exams varun ..i have not missed any derivation.

Thank you :-)

Thank you :-)

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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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bas rehne de

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^ ;)

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no Varun ...i have mentioned all important derivation for board exams.

Thanks

Thanks

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thanks

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Thanks a lot siddhant jain....but just a small query...u happened to have missed out atoms and nuclei..is it tht they dont have derivations or is it tht u missed it???...plss tell..thanks

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Quantisation of electric charge, Coulomb's law, Coulomb's law in vector vector in vector vector form, Coulomb's law with gravitational law, superposition principle, electric field due to a point charge, electric field due to system of charges, dipole moment of an electric dipole electric dipole an electric dipole, dipole moment at a point on the axial point on the axial line, dipole moment at a point point on the equatorial line, dipole in a uniform a uniform external field, electric flux, Gauss Theorem, proof, electrostatic potential due to a point charge, electrostatic potential due to a system of charges, electrostatic potential due to an electric dipole, electrostatic potential energy of a system of three point charges, potential energy in an external field field external field field, potential energy of a dipole in an external field field external field field external field field, capacitance, parallel plate capacitor, leakage of charge from a a from a a capacitor, effect of dielectric on parallel plate capacitor capacitor plate capacitor parallel plate capacitor capacitor plate capacitor capacitor, capacitors in parallel, capacitors in series, energy stored in a capacitor, common potential loss of energy in sharing charges charges sharing charges in sharing charges charges sharing charges charges, Ohm's law, effect of temperature on resistance, resistance of a conductor, Drift velocity, resistance of various materials, conductance and conductivity, resistors in series series, resistors in parallel, cells in series, cells in in parallel, mix grouping of cells, krichoff rules, metre Bridge, Potentiometer, biot-savart's law, magnetic field on the axis of a circular current carrying loop, ampere circuital law, solenoid, toroid, Lorentz Force, cyclotron, force on a current carrying conductor in a uniform magnetic field field, force between two parallel current carrying capacitor parallel current carrying capacitor, current carrying loop as as loop as as a magnetic dipole, moving coil galvanometer, conversions, forces between two magnetic poles, magnetic field strength at a point on on axial line of line point on on axial line of a bar magnet, magnetic field strength at a point on equatorial line of a of a on equatorial line of a of a point on equatorial line of a of a on equatorial line of a of a a point on equatorial line of a of a on equatorial line of a of a point on equatorial line of a of a on equatorial line of a of a equatorial line of a of a bar magnet, torque on a magnetic dipole, potential energy of magnetic dipole, magnetism and Gauss, the horizontal component of Earth's magnetic field, magnetic intensity, relation between relative magnetic permeability and magnetic permeability and magnetic magnetic permeability and magnetic permeability and magnetic susceptibility.

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Thanks everyone!

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Some Derivations 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. Young double slit experiment 17. NPN transistor (amplifier, switch etc.) 18. Bohr model (radius, velocity, energy, time period and Bohr magneton)

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For Numericals, visit : https://youtu.be/zYHzYbZJ8gg

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where are the rest of derrivations

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list of derivations in physics class 12 cbse chapterwise (for board exams )
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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- -4

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For Numericals visit this link ( https://youtu.be/zYHzYbZJ8gg )

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- -4

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ththth

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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

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

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- -5

27% users found this answer helpful.

there are total 116 derivations my frnd.

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siddhant jain gave best answer

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all question important....

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And also definitions

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ljlkn

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lens makers formula

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read ncert

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- -26

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All the deriviations are important which have already came in previous board exams

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