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CBSE Class 11 Physics: Important Topics and Tips for Final Exams
Meritnation|Feb 16th, 2016 12:31pm
Students your final exams are just around the corner. Students are busy with their last minute revisions and trying to get the most out of their study hours these days.
But you do not need to panic as out the team of experts at Meritnation has come up with some great insights into each chapter for your Physics exam. These key revision points and quick tips will help you prepare intelligently for the exams. 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
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MERITNATION 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 exams, there is not much to be asked from the topic. |
RECOMMENDED RESOURCES: Revision Notes | Sample Papers | Textbook Solutions | Ask & Answer
Chapter 2 – Units and Measurement
Important Topics:
1. SI Units
2. Absolute Errors
3. Significant Figures
4. Dimensional Analysis
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MERITNATION TIPS: a) Chapter includes units of physical quantities and methods of evaluating them. The next portion of chapter is about evaluation of errors while measuring other quantities. Both the topics are important for short answers and numericals. 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 numerical point of view. c) Dimensions of different quantities are frequently asked for short answers in exams. Numericals from the same are also asked as short numericals. d) None of the above topic requires intensive practise and preparation. |
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
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MERITNATION TIPS: a) Graphical representation and interpretation of accelerated motion is very important as questions are frequently asked graphically. b) Numericals from all the important topics mentioned are very important. They are often asked in different forms, so be prepared with each topic and practise few extra numericals. |
Chapter 4 – Motion In a Plane
Important Topics:
1. Vector Operations
2. Resolutions of Vectors
3. Motion of Object in Plane
4. Projectile Motion
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MERITNATION 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 numericals in other topics of physics. b) Resolving vector into components is an important tool used while solving numericals. Do not skip the topic at all. c) Projectile motion is a very important topic, both derivation and numericals should be practised. d) Numericals from motion of objects in plane are very important. e) Use differentiation and integration as a basic tool wherever required. f) Overall chapter is very important and is equally contributing to almost all the remaining chapters. |
RECOMMENDED RESOURCES: Revision Notes | Sample Papers | Textbook Solutions | Ask & Answer
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
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MERITNATION 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 with general day to day life activities. b) Numericals are 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 equalising them. d) A brief knowledge and practise of 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
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MERITNATION TIPS: a) The derivation of all the mentioned topic are important. b) Theoretical questions are hardly asked from the topic. However wide range are numerical problems are being asked. c) Numericals 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 numericals. f) 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
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MERITNATION 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 practise numericals 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 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 to gravity
4. Gravitational Potential Energy
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MERITNATION TIPS: a) Kepler’s law can be asked directly. b) Both numerical and direct questions or derivations can be asked from universal law of gravitation, acceleration due to gravity. c) Derivation of 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 relation between this variation in the value of g is also asked. d) Memorize the relations on tip. e) Escape speed and time period of satellites are important topic for numericals. deriving the escape speed for certain planet or body can also be asked. f) 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. |
RECOMMENDED RESOURCES: Revision Notes | Sample Papers | Textbook Solutions | Ask & Answer
Chapter 10 – Mechanical Properties of Fluids
Important Topics:
1. Bernoulli’s Principle
2. Surface Tension
3. Venturi-meter
4. Viscosity
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MERITNATION TIPS: a) Chapter holds equal weightage to reasoning short questions and numericals. Bernoulli’s principle and streamline flow is an important topic. b) Application based numericals are asked based on concept of Bernoulli’s equation, Venturi-meter and hydraulic lift. c) Numericals are often asked on calculating surface tension of drops formed. |
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
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MERITNATION TIPS: a) Numericals based on triple point concept is asked very frequently. Majority of the topics are asked in the form of numericals. Clear concepts are required from each of the mentioned important topic as conceptual tricky questions are asked. b) Practise numericals on calorimetry, though these numericals 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
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MERITNATION TIPS: a) The topic provides good combination of questions based on the laws and heat transfer in engines and numericals. b) Intensive study of all the laws is important. practise numericals 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
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MERITNATION TIPS: a) Kinetic theory explains the behaviour of gases. Brief understanding of behaviour of gases is required. Study them using graphs for different processes. b) Law of Equipartition energy and mean free path are easy topics, practise both numericals 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
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MERITNATION 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 numericals are asked. c) Oscillations due to spring and Simple pendulum are important topics, variety of numericals are asked which requires 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 studies, though this does not require much practise. |
RECOMMENDED RESOURCES: Revision Notes | Sample Papers | Textbook Solutions | Ask & Answer
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. Dooplers Effect
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MERITNATION TIPS: a) All the mentioned important topics 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 numericals are asked from this topic and also numericals 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 little tricky topic but 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 numericals are asked from this topic. d) Dooplers effect is a very interesting topic. Keep a clear derivation of the topic in mind while solving various situational based questions on the topic. |
All the Best for your final exams!
Please take a moment to spread these tips with your friends. After all, Knowledge is the only thing that grows when shared! 🙂
Add Comment Total Comments (16)
1. Faisal malik | February 19th, 2019 at 12:19 pm
Thanks for important topics
2. Bhavya Nirala | February 17th, 2019 at 9:24 am
Thank you so helpfull
3. kunal | January 28th, 2019 at 3:07 am
i think u should add Mayer’s formula to chap 12 thermodynamics
4. Dhruv | March 23rd, 2017 at 10:40 am
Nice and best
5. vinayak | March 20th, 2017 at 7:59 pm
hmmm why you skipped 9th chapter MECHANICAL PROPERTIES OF SOLID
6. Doddy | March 2nd, 2017 at 10:31 pm
So good. But there are only CBSE syllabus can’t upload pu
7. Meritnation | February 10th, 2017 at 11:16 am
Hi Suhana,
Thank you for your comment! All the best for your exams! 🙂
Team Meritnation
8. suhana | February 9th, 2017 at 5:38 pm
Too gudd
9. suhana | February 9th, 2017 at 5:35 pm
Gud i want to say Thnx
10. POOH | January 11th, 2017 at 3:05 pm
THANK YOU
11. Lily | March 3rd, 2016 at 5:37 pm
Meritnation have you skipped the 9th(mechanical properties of solids) or its not that much important?
12. Saalini | February 27th, 2016 at 1:11 pm
anyways …. thank you so much for providing these imp topics 🙂
13. Saalini | February 27th, 2016 at 1:08 pm
is chapter 9 not at all important??…it is not even given in the list…
14. Prince Singh | February 27th, 2019 at 9:58 am
Hey brother these topics are really important
15. Sourav | February 25th, 2016 at 8:39 pm
wonderful! I already knew that these topics are important..meritnation is great
16. Aryan | February 19th, 2016 at 8:23 am
JUST FANTASTIC!
Comment