Top tips to learn Physics easily from Physics maestro DC Pandey
Check out these Class 12 Physics board exam tips for Physics expert and maestro DC Pandey.

Physics is considered a difficult subject, especially for NEET aspirants. This does not imply that students can’t score well. DC Pandey, a Physics maestro who has written over 13 reference books on the subject and is now an Unacademy educator, believes that one can score good marks in Physics if it is studied in a well-managed and planned way. So let go of any anxiety related to preparing Physics for your board exams and check out the helpful tips below.

DC Pandey shares a few simple Class 12 Physics tips here to help students understand, learn and enjoy the subject:

1. School Physics is easier than competitive exams
It is a fact that Physics taught in classes 10 and 12 is easier than what is tested in competitive exams. In school exams, theoretical problems based on definitions and proofs comprise the question paper while in competitive exams, conceptual questions are framed as it is a subject of concepts.

In class 11, Physics starts with Mechanics. This is the toughest and most conceptual part of Physics and takes time and patience to learn. So keep patience and learn Mechanics very well.
Don’t worry about the time. Once students have command over this topic, other topics of Physics can be understood in relatively less time.

Mechanics is important not only because concepts of Mechanics are used in many other chapters but also because it sharpens your mind.

2. Concepts first problems later
Around 90% of Physics consists of concepts that first need to be understood. Rather than beginning with the common approach of problems first, always start by reading and understanding the concepts.

While there are only a fixed number of concepts, problems are unlimited on each topic which never end in the available time as any competition is a race against time.
Since concepts are limited, we can easily finish studying them. Once the Physics concepts are clear, the logical problems which are within the syllabus become easier to understand and solve.

3. Understanding the formulas
While memorising formulae is important, it is crucial to understand what each formula is. This will help in applying the right one in the right place.

For example, there is one formula of gravitational force between two point masses given by Newton and it can be applied directly only in 3 specific conditions. I have seen the students applying this formula under all situations -- which is wrong.

If the students have formulae at the tip of their fingers and they apply the right formula at right place with full understanding of it, you have basically grasped almost 20% of Physics.
4. Three small but very important topics
Though direct questions are rarely asked (except the graphs) in following three topics but again they are very important for the right understanding of other topics. If you have command over these three topics, believe me, you have learnt the next 5% of Physics. These topics are:

Vectors
Graphs and
Integration this is about the where, when and how to use the integration and what element you have to take for integration.
The other important topics which are often used in other chapters are Kinematics, Newton’s Laws of Motion, Work, Energy, Power and Centre of Mass, Collision and Impulse.
5. Buy only one Physics book of good standard
In the excitement and fear of learning the subject, students and parents end up buying multiple textbooks and reference books on Physics. This can further confuse students rather than help them.

If you buy too many books, you will see that most of the times 50-60% problems are repeated in all books. So you are just wasting your valuable time in similar types of problems.
I have seen students finish one chapter from one book then from another book and so on. This slows you down as you have to complete all chapters of all three subjects.

The best way to study is to buy one standard book and learn it thoroughly. Here are some of the tips how students can choose the right book from the many that are available in the market:

Number of problems: There should not be too many or too little problems to solve. Lesser problems would imply lesser practice while too many will be difficult to finish and when there are too many problems in a book then there are chances that it may have illogical and out of the syllabus problems. Such problems not only waste your time but break your confidence also.
Problems must not be too tough: If the difficulty level of the competitive exam is X, the difficulty level of the questions and problems in the book should not be more than 1.25X or less than X. There is no use of touching level 1.5X.
Solved examples and all exercises must cover all logical and within-syllabus concepts: In solved examples and exercises, all concepts should be covered in a systematic and chronological order. B should always come after A and C after B and so on.

6. Some simple and scoring topics of Physics
As I said earlier, Vectors, Graphs and proper use of Integration are the topics which make the backbone of Physics. So for last moment revision you can focus on the topics mentioned below which are simple yet helps in scoring.

In any competition at least 30-40% problems are asked from these topics:

Kinematics, Newton’s Laws of Motion, Work, Energy, Power, Circular Motion, Centre of Mass, Collision, impulse, Gravitation, Fluid Mechanics (without Surface Tension and Viscosity) Heat & Thermodynamics, Wave Motion, Current Electricity, Young’s Double Slit experiment, Modern Physics and Alternating Current.

7. How NEET aspirants should study
For the NEET aspirants, Physics is the toughest one as compared to the other subjects and some of the chapters become very tough like Rotation, Electrostatics etc. Here are a few tips for them apart from the points discussed above:

In tough chapters, you can be selective in the first round. For example: in Rotation, you can start with moment of inertia, kinematics of pure rotational motion and conservation of angular momentum in pure rotational motion.
These are simple topics of tough chapter Rotation and questions are asked from these simple topics. Once you are comfortable in these simple topics then in the second round you can switch to tough topics also because after doing these topics your confidence level will increase and once the confidence is built you will be able to solve the challenging topics too.
Similarly, in Wave Motion, you can start with organ pipes, beats and Doppler effect etc. The same strategy can be applied for all difficult chapters.

And last but not the least, Physics is just like a gripping thriller movie. You have to watch each and every scene very carefully to identify the killer in the end.

In Physics, you have to attend each and every class with 100% concentration and only then you can start scoring well in last few months.

Always remember that almost all students face the same kind of problems when it comes to Physics and you are not the first one to be burdened with these problems.
Have patience and don’t give up. You can compare the situation with a cricket match. Just be on crease and don’t lose your wickets. If you have wickets in your hand you will definitely score good in the last overs!

Source : https://www.indiatoday.in/education-today/tips-and-tricks/story/class-12-physics-board-exam-tips-from-physics-expert-dc-pandey-1647382-2020-02-17

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