Xi Lecture Sheet

B.M. SHARMA’S ACADEMY OF

PHYSICS

XI PHYSICS LECTURE SHEET

• B.M. SHARMA’S ACADEMY OF PHYSICS

B.M. SHARMA’S ACADEMY OF PHYSICS LECTURE SHEET +1

LEC.NO.

TOPIC SUB-TOPIC TIME

1 BASIC MATHSBasic differentiation

2:14:00

Simple example of differentiation

Maxima and minima of a function

Simple integration

2 VECTORTypes of vector

2:03:00

Addition of vector

Subtraction of vector

Position vector

Displacement vector3

VECTORScalar quantity

2:23:00

Resultant vector using law of vector

Problem associated with it.

4 VECTORProblem associated with resultant vector addition and subtraction of

vector 2:18:00

Scalar product or dot product

5 VECTORProblem associated with resultant vector scalar product and cross

product 2:28:00

6 UNIT & DIMENSIONUse of dimension formula

1:30:00

Checking the accuracy of the formula, limitations of usage of dimension


LEC.NO

7 UNIT & DIMENSION Deriving the expression for same well known physical quantities 2:19:00

1 GRAPHS graph plotting 1:38:00

2 ,, graph plotting 1:42:00

3 BASIC MATHS concepts of differentiation 1:48:17

4 ,, differentiation chain rule, intro to maxima and minima 1:35:23

5 ,, Basic concept of integration 1:48:00

6 ,, problems of maxima and minima and simple problems of integration 1:16:20

7 ,, Basic mathematics integration 1:40:12

8 KINEMATICS Problem discussion motion in one dimension, diatnce time graphs and

accleration time graphs

1:23:21

9 ,, Graphs kinematics 1:25:00


10 KINEMATICS Motion in one Dimension 1:20:23

11 ,, problem discussion related to Motion in 1D 1:23:29

12 RELATIVE VELOCITY Theory and problem discusions of Relative Velocity 1:33:18

13 ,, Further problem discussion of relative velocity 1:37:46

14 ,, Classic problems of -Relative velocity , river boat , rain umbrella , etc. 1:34:22

15 ,, Continuation of rain umbrella problem , theory of velocity of

approach, introduction to theory of projectilesy

1:31:00

16 PROJECTILE MOTION. Further theory of projectile motion, equation of trajectory and related

problems.

1:33:32

17 ,, Problem discusion of simple projectiles and theory and problem

discussion of projectiles on an inclined plane

1:31:17

18 ,, Problems of projectiles and theory of circular motion 1:14:54


19 CIRCULAR MOTION Acceleration in a curved path theory and discussion 1:33:35

20 ,, Cases of angular acceleration in projectiles and introduction of ,Laws

of motion

0:47:03

21 LAWS OF MOTION Introductory theory of Laws of motion , discussion of contact forces 1:02:29

22 ,, Free body diagram problem solving using fbd techniques 1:44:33

23 ,, Block pulley system theory and problems (Laws of Motion) 1:33:45

24 LAWS OF MOTION (STATIC EQM.) Discussing cases of static equilibrium theory and problems and few

other problems of laws of motion

1:26:28

25 LAWS OF MOTION Theory of pulley constraint problems and also wedge and block

constraint relation

1:32:23

26 LAWS OF MOTION (FRICTION) Further discussions on constraint relations and introduction to

friction.

1:31:51


27LAWS OF MOTION (FRICTION)

Theory and problems related to frictional forces , theory of angle of

friction

1:44:03

28 L.O.M & FRICTION Further discussion on constraint relation theory and problems. 1:29:54

29 CONSTRAINTS BASED PROB. OF

L.O.M & FRICTIONConcept of inertial reference frame and pseudo forces, problem

discussion on angle of friction

1:41:18

30 ,, Problems of higher difficulty related to friction two or more blocks

sliding over each other concepts of spring , springs in series and

springs in parallel

1:32:42

31 L.O.M (CIRCULAR MOTION) Concept of centripetal force and centrifugal force in circular motion 0:59:04

32 ,, Circular motion, further problems related to particles attached to a

string, concept of banking of roads

1:25:50

33 ,, Circular Motion, case of conical pendulum , motion in a vertical circle 1:32:08

34 WORK POWER & ENERGY. 34- concept of work , work done by a constant force, work done by a

variable force

1:49:22

35 ,, Work Done by Variable Force, work done in case of blocks sliding over each other with

frictional force acting between them,

1:44:44

36 ,, Conservative forces, work energy theorem and problems based on it 1:35:15

37 ,, Work energy problems relayed to spring, blacks , wedges and objects attached to

rope Work Power

1:11:58

38 ,, Concept of mechanical work and power and , problems related to it , potential

energy curve

1:39:17

39 ,, Difficult problems related to potential energy curve and then related to friction,

concept and problems of conservation of liner momentum conservative Mechanical

Power

1:33:46

40 CENTER OF MASS Concept of Center of Mass and problems where this concept is applied 1:43:21

41 CONSERVATION OF

LINEAR MOMENTUM &

ENERGY

Difficult problems related to conservation of linear momentum and mechanical

energy

1:36:07

42 CENTER OF MASS

REDUCED MASSConcept of reduced mass and related problem reduced mass 1:15:26



43WORK POWER & IMPULSE

Difficult problems based on work and energy, concept of impulse,

Impulse and collision

1:38:13

44 IMPULSE & COLLISION. Impulse and collision and types of collision 1:44:16

45 CENTER OF MASS Problem discussions based on Center of Mass 2:04:32

46 COLLISIONS Theory of Collision , elastic and inelastic collision and coefficient of

restitutions and problems related to it

1:37:00

47 ,, Discussion of difficult problems of collisions involving coefficient of

restitution

1:27:08

48 ,, Theory involving oblique collisions and problem discussions based on

it 22-10-2012

0:34:30

48-A ROTATIONAL DYNAMICS Theory of torque , theory of couple, problems discussions based on

rotational equilibrium

1:14:44

49 ,, Further discussions of problems based on rotational equilibrium, ,

relationship between torque and moment of inertia

1:29:47


50 MOMENT OF INERTIAMoment of inertia of bodies of different shapes, theorems of moment

of MI about parallel and perpendicular axis, radius of gyration,

applications of the theorems

1:34:58

51 ROTATIONAL DYNAMICS ROLLING Concept of rolling, concept of torque equation, problems involving

torque equations, rotational work and power, work energy theorem

1:33:34

52 ROTATIONAL DYNAMICS Problem discussion of typical questions based on rotational dynamics 1:32:19

53 ,, discussion of difficult concepts of rolling, rolling under certain

constraints and direction , nature of friction force in various cases of

rolling

1:44:27

54 ROTATIONAL DYNAMICS

ANGULAR MOMENTUMConcept of angular momentum, torque equals rate of change of

angular momentum, spin angular momentum of disc, angular

impulse concept and associated problems

1:55:04

55 COLLISION & ROTATIONAL

DYNAMICSCollision in rotation and translation , , kinetic energy for rotational

and translational motion, work done by force on a rigid body,

collision of a particle with a rigid body

1:35:47


56

,,

Problem discussion of typical problems of collisions involving rotational dynamics 0:45:50

---- GRAVITATION law. 2:09:28

law of gravitation.

How does one particle exert force on the other gravitation field intensity of field

strength.

Gravitational field strength due to a spherical shell of mass M.

Gravitational potential energy

Mechanical energy of an orbiting body.

Acceleration due to gravity

Escape velocity

A satellite orbiting around the earth.

Geostationary satellites.

----- GRAVITATION Gravitation potential energy. 1:17:17

Variations in acceleration due to gravity with (i) altitude (ii) with depth.

Variation in g considering rotating

Weightlessness and time period of rotation problems related to time period of

satellite and orbit radius of satellite

----- GRAVITATION A particle field from a bigger Star towards the surface of a smaller star a question

based on energy conservation.

43:15

Problem related to orbiting bodies and their relationship with other object and

bodies.

Questions related to orbital velocity and escape velocity

Case of collision of two satellites


56 A FLUID MECHANICS.Concepts of fluid mechanics, pressure variations, u tube manometer

theory, monomeric equation 0:47:18

57 ,, Fluid statics and pressure , force acting on solid boundaries,

variations of liquid pressure acting on a wall,

1:50:05

58 ,, 58 - fluids subjected to constant acceleration, case of a container

containing fluid coming down an inclined plane, liquids in rotation,

Archimedes principle 10-12-12

1:34:22

59 ,, Discussion of Archimedes principle and related problems 1:29:14

60 ,, Types of flow, uniform and non-uniform flow, continuity equation,

equation theory and problem discussion, potential

energy and velocity of efflux

1:38:39

61 ,, 61 - discussion of difficult problems of fluid mechanics, theory of

venturymeter, pitot tube Fluid dynamics 19-12-2012

0:27:45


57 PROPERTIES OF MATTER Problems related to theorem 1:23:44

Typical case of a vessel containing two layers of different liquids.

(property of matter)

Normal stress

Shearing stress or tangential stress

strains

Axial strains or longitudinal strain

Shearing strains

Stress strain diagram

curve

58&59 PROPERTY OF MATTER law & elastic module modules 2:06:11

modules

Stress strain diagram

Question related to forces being applied in rods made up of different

materials.

Analogous to springs with different spring constants

bulk modulus of elasticity

Energy stored in a deformed body

Problem related to it.

Surface tension defination


60PROPERTIES OF MATTER

(SURFACE TENSION)

Surface tension: explanation of concept

Explanation of forces acting on a body which is resting on the liquid

surface.

1:24:16

Calculating surface tension using the drop

Surface energy.

Surface tension and surface energy& problems related to it.

Pressure difference between the two slides curved liquid surfaces.

Discussion of a soap bubble.

61

PROPERTIES OF MATTER

PRESSURE & VISCOSITY

Pressure difference between the 2 slides of curved liquid surface 2:02:27

Excess pressure in a soap bubble

Problem related to capillary action.

Case of a joint air bubble

Cohesion & adhesion

Angle of contact.

Inclined tube capillary tube.

Viscosity conceptual theory

Coefficient of viscosity


62

PROPERTIES OF MATTER

VISCOSITYViscosity concept 1:14:27

Coefficient of viscosity concept discussion.

and non fluids

Effect of temperature on viscosity

Viscosity versus sliding friction.

Similarities & dissimilarities.

law

Terminal velocity

61-A S.H.M Basic theory and concepts of S.H.M discussion of equation of S.H.M, concept

of phase and its use in S.H.M equation

0:55:51

62 ,, Circular motion and S.H.M, differential equation of S.H.M, kinetic energy and

potential energy of oscillating bodies, S.H.M of spring connected block,

solutions using energy method, problems of S.H.M involving block S.H.M

1:48:21

63 ,, S.H.M equation and concept of phase, problem discussion related to S.H.M 1:32:15

64 ,, Cases of spring block and pulley undergoing S.H.M and involving constraint

relations

1:31:57


65

discussion of some difficult problems of S.H.M

1:32:29

66

WAVES &

ACOUSTICS

What is wave motion, type of waves longitudinal waves. Wave function

problems related to it equation of sinusoidal travelling wave. Concept of phase

difference, velocity of a particle vibrating in the medium.

1:55:12

67 ,, Problems discussion based on equation of a wave, Wave Speed, Velocity of a

transverse wave in a tent string.

Energy of a plane progressive wave

Displacement and pressure waves.

1:14:28

68 ,, Intensity of the wave theory

Related problem discussion.

Intensity level of sound waves & sound level

Superposition of waves.

Constructive and destructive interference.

1:33:01

69 ,, Beats, Beats in sound, Formation of beats

Stationary waves,

Standing waves,

Position of nodes,

Position of antinodes,

Oscillations in strings and air columns. Harmonics

Resonance in air columns open at both ends.

1:52:16


70-A ,, Fundamental tone or oscillation

First overtone

Closed orgen pipe

Resonance in air columns poen at both ends

Standing waves

Related problem discussion

0:59:12

71 EFFECT

Revision of concept 1:20:11

Taking case of speed of wind also

Discussion of questions related to Doppler effect

Some complicated problems when source and observer may be at different

angle rather than a straight line

72 THERMAL EXPANSION

Linear expansion 1:47:06

Coefficient of linear expression.

Area expansion

Volume expansion

Effect of temperature on the time period of a pendulum

Thermal stress

Thermal strain

Effect of temperature on density.


73

THERMAL EXPANSION Thermal stress explained in great depth with suitable examples.

Apparent expansion of liquids

34:30

74..CALORIMETRY Mechanical equivalent of heat

1:08:02

Specific heat

Heat capacity

Water equivalent

Principle of calorimetry

Latent heat

Of fusion

Of vaporization

Related problems

75..HEAT TRANSFER Method of heat transfer, Conduction, Convection, Radiation 1:16:16

Fundamental law of heat conduction. Electrical analogy for thermal conduction

Discussion with suitable example, Blackbody radiation, Absorptive power spectral

absorptive power, Emissivity

Spectral emissivity power

law

law of cooling.

Distribution of energy in the spectrum of black body.


76 IDEAL GAS. Ideal gas law.

Isochoric process

Isobaric process

Isothermal process

Explained through suitable problem process for transferring energy.

Thermodynamically process

Adiabatic process.

1:20:30

77

FIRST LAW OF

THERMODYNAMICS

Adiabatic process, constant volume process, cyclic process

Degree of freedom

2:17:53

Parameters for a mixture of gases (law of equvipartition energy)

Equivalent specific heats

Suitable problem discussion

78 FIRST LAW OF

THERMODYNAMICS

Good examples discussed related to 1st law of thermodynamics 1:06:00

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