CBSE Class 12 MCQs, Notes, PDF Book, Q & A, Important Questions, & PY / Sample Papers

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Notes Class 12 Physics Chapter 10 Wave Optics

Notes For All Chapters Physics Class 12 CBSE 1. Wave Optics Describes the connection between waves and rays of light. According to wave theory of light, light is a form of energy which travels through a medium in the form of transverse wave. 2. Wave front The locus of all those particles which are vibrating in the […]

Notes Class 12 Physics Chapter 9 Ray Optics and Optical Instruments

Notes For All Chapters Physics Class 12 CBSE 1. Ray Optics or Geometrical Optics In this optics, the light is considered as a ray which travels in a straight line. It states that for each and every object, there is an image. 2. Reflection Reflection is the phenomenon of changing the path of light without any change […]

Notes Class 12 Physics Chapter 8 Electromagnetic Waves

Notes For All Chapters Physics Class 12 CBSE 1. Displacement Current The current which comes into play m the region in which the electric field and the electric flux is changing with time. It is given by 2. Need for Displacement Current Ampere’s circuital law for conduction current during charging of a capacitor was found inconsistent. Therefore, […]

Notes Class 12 Physics Chapter 7 Alternating Current

Notes For All Chapters Physics Class 12 CBSE 1. Alternating Current (AC) It is the current which varies in both magnitude as well as direction alternatively and periodically. I = I0 sin ωt or I = I0 cosωt where, I0 = peak value or maximum value of AC. 2. Effective Value or rms Value of AC It is defined as […]

Notes Class 12 Physics Chapter 6 Electromagnetic Induction

Notes For All Chapters Physics Class 12 CBSE 1. Magnetic Flux The magnetic flux linked with any surface is equal to total number of magnetic lines of force passing normally through it. It is a scalar quantity. 2. The phenomenon of generation of current or emf by changing the magnetic flux is known as Electromagnetic Induction EMI). […]

Notes Class 12 Physics Chapter 5 Magnetism And Matter

Notes For All Chapters Physics Class 12 CBSE 1. The magnetic dipole moment of a magnetic dipole is given by M = m × 2I where, m is pole strength and 2I is dipole length directed from S to N. The SI unit of magnetic dipole moment is A-m2 or J/T. It is a vector quantity and […]

Notes Class 12 Physics Chapter 4 Moving Charges and Magnetism

Notes For All Chapters Physics Class 12 CBSE 1. The space in the surroundings of a magnet or a current-carrying conductor in which its magnetic influence can be experienced is called magnetic field. Its SI unit is Tesla (T). 2. Oersted experimentally demonstrated that the current-carrying conductor produces magnetic field around it. When key K is closed, […]

Notes Class 12 Physics Chapter 3 Current Electricity

Notes For All Chapters Physics Class 12 CBSE 1. The directed rate of flow of electric charge through any cross-section of a conductor is known as electric current. If ∆Q charge flows in time ∆t, then current at any time t is NOTE: Current is a scalar quantity. I is in the direction of flow of positive […]

Notes Class 12 Physics Chapter 2 Electrostatic Potential and Capacitance

Notes For All Chapters Physics Class 12 CBSE 1. Electrostatic Potential The electrostatic potential at any point in an electric field is equal to the amount of work done per unit positive test charge or in bringing the unit positive test charge from infinite to that point, against the electrostatic force without acceleration. NOTE: Electrostatic potential is […]

Notes Class 12 Physics Chapter 1 Electric Charges and Fields

Notes For All Chapters Physics Class 12 CBSE 1. Electric Charge Charge is the property associated with matter due to which it produces and experiences electric and magnetic effect. 2. Conductors and Insulators Those substances which readily allow the passage of electricity through them are called conductors, e.g. metals, the earth and those substances which offer high […]

Notes Class 12 Maths CBSE

Relations and Functions Notes Chapter 1 Maths Class 12 Inverse Trigonometric Functions Notes Chapter 2 Maths   Class 12 Matrices Notes Chapter 3 Maths  Class 12 Determinants Notes Chapter 4 Maths Class 12 Continuity and Differentiability Notes Chapter 5 Maths  Class 12 Application of Derivatives Notes Chapter 6 Maths Class 12 Integrals Notes Chapter 7 Maths […]

Notes Class 12 Maths Chapter 12 Linear Programming

Notes For All Chapters Maths Class 12 CBSE Linear Programming Problem: A linear programming problem is one in which we have to find optimal value (maximum or minimum) of a linear function of several variables (called objective function) subject to certain conditions that the variables are non-negative and satisfying by a set of linear inequalities with […]

Notes Class 12 Maths Chapter 1 Relations and Functions

Notes For All Chapters Maths Class 12 CBSE Relation: A relation R from set X to a set Y is defined as a subset of the cartesian product X × Y. We can also write it as R ⊆ {(x, y) ∈ X × Y : xRy}. Note: If n(A) = p and n(B) = q […]

Class 12 Maths Formulas All Chapter PDF Download CBSE

Chapter – 1  Relations and Functions Formula Chapter – 2  Inverse Trigonometric Functions Formula Chapter – 3  Matrices Formula Chapter – 4  Determinants Formula Chapter – 5  Continuity and Differentiability Formula Chapter – 6  Application of Derivatives Formula Chapter – 7  Integrals Formula Chapter – 8  Application of Integrals Formula Chapter – 9  Differential Equations […]

Maths Class 12 Questions Answer CBSE PDF Download

Chapter 1 – Relations and Functions Chapter 2 – Inverse Trigonometric Functions Chapter 3 – Matrices Chapter 4 – Determinants Chapter 5 – Continuity and Differentiability Chapter 6 – Application of Derivatives Chapter 7 – Integrals Chapter 8 – Application of Integrals Chapter 9 – Differential Equations Chapter 10 – Vector Algebra Chapter 11 – […]

Maths Class 12 Miscellaneous Exercises Question Answer & Topics Video

Misc Ex. 1 – Continuity and Differentiability – Chapter 5 – Maths Class 12th Video Solutions For All Chapters Maths Class 12 Misc Ex. 2 – Continuity and Differentiability – Chapter 5 – Maths Class 12th Misc Ex. 3 – Continuity and Differentiability – Chapter 5 – Maths Class 12th Misc Ex. 4 – Continuity […]

Maths Class 12 Miscellaneous Exercises Question Answer & Topics Video

Misc Ex. 1 – “Matrices” Chapter 3 – NCERT Class 12th Maths Solutions Video Solutions For All Chapters Maths Class 12 Misc Ex. 2 – “Matrices” Chapter 3 – NCERT Class 12th Maths Solutions Misc Ex. 3 – “Matrices” Chapter 3 – NCERT Class 12th Maths Solutions Misc Ex. 4 – “Matrices” Chapter 3 – […]

Maths Class 12 Examples

Example 1 – Matrices – Chapter 3 – Maths Class 12th Solutions Example 2 – “Matrices” Chapter 3 – NCERT Class 12th Maths Solutions Example 3 – Matrices – Chapter 3 – Maths Class 12th Solutions Example 4 – “Matrices” Chapter 3 – NCERT Class 12th Maths Solutions Example 6 – “Matrices” Chapter 3 – […]

Maths Class 12 Matrices, Chapter 3 Ex 3.4 Question Answer & Topics Video

Q 1, Ex 3.4 – Matrices – Chapter 3 – Maths Class 12th Video Solutions For All Chapters Maths Class 12 Matrices, Ex 3.4, Q 2 – NCERT Class 12th Maths Solutions Matrices, Ex 3.4, Q 4 – NCERT Class 12th Maths Solutions Matrices, Ex 3.4, Q 5 – NCERT Class 12th Maths Solutions Matrices, […]

Maths Class 12 Matrices, Chapter 3 Ex 3.3 Question Answer & Topics Video

Matrices, Ex 3.3, Q 1 – NCERT Class 12th Maths Solutions Video Solutions For All Chapters Maths Class 12 Matrices, Ex 3.3, Q 5 – NCERT Class 12th Maths Solutions Matrices, Ex 3.3, Q 6 (i) – NCERT Class 12th Maths Solutions Matrices, Ex 3.3, Q 7 (i) – NCERT Class 12th Maths Solutions Matrices, […]

Maths Class 12 Matrices, Chapter 3 Ex 3.2 Question Answer & Topics Video

Matrices, Ex 3.2 – Q 1 – NCERT Class 12th Maths Solutions Video Solutions For All Chapters Maths Class 12 Matrices, Ex 3.2, Q 2 – NCERT Class 12th Maths Solutions Matrices, Ex 3.2, Q 3 – NCERT Class 12th Maths Solutions Matrices, Ex 3.2 – Q 5 – NCERT Class 12th Maths Solutions Matrices, […]

Maths Class 12 Chapter 3 Ex 3.1 Question Answer & Topics Video

Matrices, Ex 3.1 Q1 – Class 12 Maths NCERT Solutions Videos Video Solutions For All Chapters Maths Class 12 Matrices, Ex 3.1 Q 2 – Class 12 Maths NCERT Solutions Videos Matrices, Ex 3.1 Q 4 – Class 12 Maths NCERT Solutions Videos Matrices, Ex 3.1 Q 5 – Class 12 Maths NCERT Solutions Videos […]

Maths Class 12 Theorems Question Answer & Topics Video

“Matrices” Chapter 3 “Theorem 1” NCERT Class 12th Maths Video Solutions For All Chapters Maths Class 12 “Matrices” Chapter 3 “Theorem 2” NCERT Class 12th Maths “Matrices” Chapter 3 “Theorem 3” NCERT Class 12th Maths “Matrices” Chapter 3 “Theorem 4” NCERT Class 12th Maths

Maths Class 12 Miscellaneous Exercises Question Answer & Topics Video

Determinants, Misc Ex. 1, NCERT Class 12th Maths Solutions Video Solutions For All Chapters Maths Class 12 Determinants, Misc Ex. 2, NCERT Class 12th Maths Solutions Determinants, Misc Ex. 4, NCERT Class 12th Maths Solutions Determinants, Misc Ex. 5, NCERT Class 12th Maths Solutions Determinants, Misc Ex. 6, NCERT Class 12th Maths Solutions Determinants, Misc […]