As the board exams are just around the corner, I am sure everyone, teachers and parents included, are equally stressed. Students are busy with their last-minute revisions and are trying to get the most out of their study hours these days. Many of them are have their eyes and ears wide open for some last minute tips. Well, look no further.These are some great insights into each chapter for your Physics class 11. These key revision points and quick tips will help you prepare intelligently for the physics class 11. Even if you have left out certain chapters for last minute preparations or revisions, these tips will help you get through them better.
Chapter 1 – Physical World
Tips:
The chapter is an interesting outlook about all that is happening in the field of science, especially physics. It is good to go through the chapter once for self-awareness. Else at the time of exam of physics class 11, there is not much to be asked from the topic.
Chapter 2 – Units and Measurement
Important Topics:
1. SI Units
2. Absolute Errors
3. Significant Figures
4. Dimensional Analysis
Tips:
a) The chapter includes units of physical quantities and methods of
evaluating them. The next portion of the chapter is about the evaluation
of errors while measuring other quantities. Both the topics are
important for short answers and numerical.
b) Measurement of any data can give us long figures. Significant digits
method is a good way to evaluate a standard figure. The topic is also
important from a numerical point of view.
c) Dimensions of different quantities are frequently asked for short
answers in exams. Numerical from the same are also asked as short
numerical.
d) None of the above topics requires intensive practice and preparation for the exam of physics class 11.
Chapter 3 – Motion in a Straight Line
Important Topics:
1. Average Velocity and Average Speed
2. Instantaneous Velocity and Speed
3. Relative Velocity
4. Kinematic Equations for Uniformly Accelerated Motion
Tips:
a) Graphical representation and interpretation of accelerated motion
are very important as questions are frequently asked graphically.
b) Numerical from all the important topics mentioned are very important.
They are often asked in different forms, so be prepared with each topic
and practice few extra numerical for the exam of physics class 11.
Chapter 4 – Motion In a Plane
Important Topics:
1. Vector Operations
2. Resolutions of Vectors
3. Motion of Object in Plane
4. Projectile Motion
Tips:
a) Direct questions are not frequently asked from the vector but
vector addition, multiplication, etc. are used in almost every third
problem in physics. So overall good grip on vectors is very important to
excel while solving numerical in other topics of physics.
b) Resolving vector into components is an important tool used while solving numerically. Do not skip the topic at all.
c) Projectile motion is a very important topic, both derivation and numerical should be practiced.
d) Numerical from the motion of objects in a plane is very important.
e) Use differentiation and integration as a basic tool wherever required.
f) Overall, the chapter is very important and is equally contributing to almost all the remaining chapters of physics class 11.
Chapter 5 – Laws of Motion
Important Topics:
1. Newton’s First Law of Motion
2. Newton’s Second law of Motion
3. Newton’s Third Law of Motion
4. Conservation of Momentum
5. Circular Motion
6. Problem Solving in Mechanics
Tips:
a) It is the most important chapter in mechanics. All the three laws
of Newton should be well understood and you should be able to relate
these laws to general day to day life activities.
b) Numerical is frequently asked based on the conservation of momentum.
These problems do include the conceptual steps taken from three laws of
Newton’s while solving the problem.
c) Quality questions are asked from mechanics involving friction and
resolving forces into various components and equalizing them.
d) A brief knowledge and practice of a variety of problems from these topics is the only way to solve such problems.
Chapter 6 – Work, Energy, and Power
Important Topics:
1. Work-Energy Theorem (variable force)
2. Kinetic Energy and Potential Energy
3. Law of Conservation of Energy
4. Potential Energy of a Spring
5. Collisions
Tips:
a) The derivation of all the mentioned topics is important.
b) Theoretical questions are hardly asked from the topic. However, a wide range of numerical problems is being asked.
c) Numerical involving conversion of energy and conservation are asked.
These numerical include the concept of kinetic and potential energy.
d) Work done is asked several times in various conversions.
e) Collison is a very important topic for both theoretical short questions and numerical.
f) The potential energy of spring’s derivation and expression is an
important topic. Interpretation of potential energy curve is very
important.
Chapter 7 – Systems of Particles and Rotational Motion
Important Topics:
1. Centre of Mass and its Motion
2. Linear motion of System of Particles
3. Angular Velocity and Angular Acceleration
4. Torque and Angular Momentum
5. Moment of Inertia
6. Theorems of perpendicular and Parallel Axis
7. Kinematics of rotational motion about a fixed axis
8. Dynamics of rotational motion about a fixed axis
9. Angular momentum in case of rotation about a fixed axis Rolling motion
10. Rolling Motion
Tips:
a) All the mentioned important topics are equally asked in form of
numerical problems as well as derivations. Conceptual understanding of
each topic is recommended. Also, practice numerical from each.
b) Do not get confused between rolling motion with and without slipping.
c) Revise the relations between the physical quantities in the chapter.
d) Make a chart or table for the moment of inertia for different objects and shapes.
Chapter 8 – Gravitation
Important Topics:
1. Kepler’s Law
2. Universal Law of Gravitation
3. Acceleration due to gravity
4. Gravitational Potential Energy
Tips:
a) Kepler’s law can be asked directly.
b) Both numerical and direct questions or derivations can be asked from
the universal law of gravitation, the acceleration due to gravity.
c) Derivation of the value of G and g is also important. Derivation of
acceleration due to gravity both below and above the Earth surface is
important. Often numericals based on the relation between this variation
in the value of g is also asked.
d) Memorize the relations on a tip.
e) Escape speed and time period of satellites are important topics for
numerical. deriving the escape speed for certain planet or body can also
be asked.
f) The concept of weightlessness is good for awareness and understanding
the concept more clearly. Both the types of satellites, geostationary
and polar do not require intensive learning.
Chapter 10 – Mechanical Properties of Fluids
Important Topics:
1. Bernoulli’s Principle
2. Surface Tension
3. Venturi-meter
4. Viscosity
Tips:
a) The chapter holds equal weightage to reasoning short questions and
numerical. Bernoulli’s principle and streamline flow is an important
topic.
b) Application-based numerical are asked based on the concept of Bernoulli’s equation, Venturi-meter, and hydraulic lift.
c) Numerical is often asked on calculating surface tension of drops formed. An important chapter of physics class 11.
Chapter 11 – Thermal Properties of Matter
Important Topics:
1. Ideal Gas Equation
2. Thermal Expansion
3. Specific Heat Capacity
4. Calorimetry
5. Latent Heat
6. Heat Transfer
7. Newton’s Law of Cooling
Tips:
a) Numericals based on triple point concept is asked very frequently.
Majority of the topics are asked in the form of numerical. Clear
concepts are required from each of the mentioned important topics as
conceptual tricky questions are asked.
b) Practise numerical questions on calorimetry, though these numerical
involve lengthy calculations, so avoid calculations mistakes and also
provide the solutions in steps.
Chapter 12 – Thermodynamics
Important Topics:
1. Zeroth Law of Thermodynamics
2. First Law of Thermodynamics
3. Heat Engines
4. Second Law of Thermodynamics
5. Carnot Engine
Tips:
a) The topic provides a good combination of questions based on the laws and heat transfer in engines and numerical.
b) Intensive study of all the laws is important. Practise numerical
asked for various heat engines, they are simple but involves good
knowledge of all three laws and heat engines.
c) Interpretation of Carnot cycle is required to solve certain problems.
Chapter 13 – Kinetic Theory
Important Topics:
1. Behaviour of Gases
2. Law of Equipartition Energy
3. Mean Free Path
4. Specific Heat capacity
Tips:
a) Kinetic theory explains the behavior of gases. Brief understanding
of behavior of gases is required. Study them using graphs for different
processes.
b) Law of Equipartition energy and mean free path are easy topics,
practice both numerical and other short answers involving concepts.
c) Make a short summary for specific heat capacity for monatomic, diatomic and polyatomic gases.
The topics are easy and require short revisions while preparations.
Chapter 14 – Oscillations
Important Topics:
1. Simple Harmonic Motion
2. SHM and Uniform Circular Motion
3. Energy in SHM
4. Oscillation due to Spring
5. Simple Pendulum
Tips:
a) Good understanding of periodic motion and its characteristics are
required for all the topics involved in the unit. Try to relate all the
relations graphically and understand the concept of phase. This will
ease the approach to the other topics involved further.
b) Energy in SHM is a good topic, both derivations and numerical are asked.
c) Oscillations due to spring and Simple pendulum are important topics, a
variety of numerical are asked which requires a good knowledge of SHM
and also all the relations involved, so keep them on your tips.
d) Damped oscillations and resonance are important conditions to be studied, though this does not require much practice.
Chapter 15 – Waves
Important Topics:
1. Longitudinal and Transverse Waves
2. Displacement relation in Longitudinal Waves
3. Characteristics of Longitudinal and Transverse Waves
4. Principle of Superposition
5. Standing Waves
6. Beats
7. Doppler Effect
Tips:
a) All the mentioned important topics of physics class 11 require
certain basic concept to be very clear. A good understanding of both
types of mechanical waves, their propagation, nature of both
longitudinal and transversal waves is required.
b) Also focus on superposition principle as direct numerical are asked
from this topic and also numerical which include this method are also
asked very frequently, so superposition of two waves and interpretation
of the characteristics of resultant wave is very much required.
c) Standing waves seems to be the little tricky topic but a clear
derivation of all the nodes, antinodes is required to deal with the
problems asked in standing waves. Same is for beats, very simple short
numerical are asked from this topic.
d) Doppler’s effect is a very interesting topic. Keep a clear derivation
of the topic in mind while solving various situational based questions
on the topic.