Class 11 Physics

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Course Content

Class 11 Physics Video Lectures

Chapter 1 – Units and Measurements (Lecture 1)

36:42
Chapter 1- Units and Measurements (Lecture 2)

33:36
Chapter 1- Units and Measurements (Lecture 3)

33:36
Chapter 1- Units and Measurements (Lecture 4)

31:58
Chapter 2: Motion In a Straight Line( Lecture 1)

29:20
Chapter 2: Motion In A Straight Line (Lecture 2)

26:06
Chapter 2: Motion in a Straight ( Lecture 3)

22:31
Chapter 2: Motion In A Straight ( Lecture 4)

26:25
Chapter 3 :Motion in plane (Lecture 1)

00:00
Chapter 3 :Motion in plane (Lecture 2)

00:00
Chapter 3:Motion in a Plane (Lecture 3)

00:00
Chapter 3: Motion in a plane ( Lecture 4)

00:00
Chapter 3: Motion In Plane (Lecture 5)

00:00
Chapter 3 : Motion in Plane (Lecture 6)

00:00
Chapter 3 : Motion In Plane (Lecture 7)

00:00
Chapter 3:Motion In Plane (Lecture 8)

00:00
Chapter 4 : Laws of Motion (Lecture 1)

29:59
Chapter 4: Laws of Motion (Lecture-2)

31:53
Chapter 4: Laws of Motion (Lecture 3)

28:48
Chapter 4: Laws of Motion (Lecture 4)

00:00
Chapter 5: Work,Energy and Power ( Part 1)

32:27
Chapter 5: Work,Energy and Power ( Part 2)

00:00
Chapter 5: Work,Energy and Power ( Part 3)

00:00
Chapter 5: Work,Energy and Power ( Part 4)

28:00
Chapter 5: Work,Energy and Power ( Part 5)

24:09
Chapter 5: Work,Energy and Power ( Part 6)

29:05
Chapter 9 – Mechanical Properties of Solids (Lecture 1)

33:56
Chapter 9- Mechanical Properties of Solids (Lecture 2)

24:03

Study notes on NCERT Class 11 Physics Unit 1- Chapter 1 – Units and Measurements
NCERT Class 11 Physics Unit 1, Chapter 1, titled "Units and Measurements," introduces the fundamental concepts of measuring physical quantities and the importance of units. Here are detailed notes on this chapter: 1. Introduction to Physical Quantities: Differentiates between fundamental and derived quantities. 2. International System of Units (SI): Details the seven base units (meter, kilogram, second, ampere, kelvin, mole, candela) and derived units. 3. Measurement Standards: Discusses the need for standard units and measurement standards for accuracy and uniformity. 4. Dimensional Analysis: Introduction to dimensions of physical quantities and their significance in checking the consistency of equations and deriving relations among physical quantities. 5. Error Analysis: Covers the types of errors in measurements (systematic, random), significant figures, and error propagation. 6. Precision and Accuracy: Explains these concepts and their importance in scientific measurements. 7. Parallax Method: A technique used for distance measurement, especially in astronomy. 8. Unit Conversion: Discusses the importance of unit conversion in various physical situations. This chapter lays the foundation for understanding how physical quantities are measured and analyzed, which is crucial for the study of all areas of physics.

Study notes on NCERT Class 11 Physics Unit 1- Chapter 1 Units and Measurements – Introduction to Physical Quantities
Unit 1, Chapter 1 of NCERT Class 11 Physics, titled "Units and Measurements," starts with an introduction to physical quantities: 1. Physical Quantities: These are quantities that can be measured and typically consist of a numerical magnitude and a unit. They are classified into two types - Fundamental and Derived Quantities. 2. Fundamental Quantities: These are basic quantities defined independently of other quantities. Examples include length, mass, time, electric current, thermodynamic temperature, amount of substance, and luminous intensity. 3. Derived Quantities: These quantities are derived from the fundamental quantities through mathematical relationships. For example, speed is derived from distance (a fundamental quantity) divided by time (another fundamental quantity). 4. Importance of Units: Each physical quantity is expressed in terms of a specific unit, which is necessary for its precise and unambiguous measurement. This section sets the stage for the detailed study of units and measurements in physics, emphasizing the importance of standardization in scientific measurements.

Study notes on NCERT Class 11 Physics Unit 1 Chapter 1 Units and Measurements – International System of Units (SI)
In NCERT Class 11 Physics, Unit 1 Chapter 1, the International System of Units (SI) is discussed in detail: 1. SI Units: The SI system, established in 1960, is a globally accepted system for measurement. It comprises seven base units, from which other units (derived units) are formed. 2. Base Units: - Meter (m) for length - Kilogram (kg) for mass - Second (s) for time - Ampere (A) for electric current - Kelvin (K) for temperature - Mole (mol) for amount of substance - Candela (cd) for luminous intensity 3. Derived Units: These are formed by combining the base units. For example, the unit of force (newton) is derived as kg·m/s². 4. Supplementary Units: Includes units like radian (rad) for plane angle and steradian (sr) for solid angle. The SI system is crucial for standardization in scientific measurements, ensuring clarity and uniformity in communication of scientific information globally.

Study notes on NCERT Class 11 Physics Unit 1- Chapter 1 Units and Measurements – Dimensional Analysis
In NCERT Class 11 Physics, Unit 1, Chapter 1, "Units and Measurements," Dimensional Analysis is a significant topic: 1. Dimensional Analysis: It involves the study of the dimensions of physical quantities. Dimensions are the powers to which the base quantities are raised to represent that quantity. 2. Uses of Dimensional Analysis: - Checking the Consistency of Equations: Ensures that both sides of a physical equation have the same dimensional formula. - Deriving Relations among Physical Quantities: Helps in deriving one physical quantity in terms of others. - Converting Units: Useful in converting a physical quantity from one system of units to another. 3. Limitations: - Cannot derive equations involving trigonometric, logarithmic, and exponential functions since these are dimensionless. - Does not provide information about dimensionless constants. Dimensional analysis is a powerful tool in physics, simplifying complex problems and validating the dimensional consistency of physical equations.

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