Question: Write two factors justifying the need of modulation for transmission of a signal. As per practice in the school, all members of science club assemble in Physics lab in last two periods on every Friday. Question: i Why does the Sun appear reddish at sunset or sunrise? However, the whole textbook of Physics is full of important questions but as the exams are near, you must focus on the chapters which comprises of more marks. Set yourself a time table and follow it strictly. What is space- charge polarisation? So, do hard work and you will score good marks for sure. Calculate the speed of light in the prism. Drawing a neat and clean diagram can explain things in a much better way than long answers.
Question: i State the principle on which the working of an optical fiber is based. If you have any doubt ask your teachers. Remember that each and every day counts so, regular study is mandatory. If you have studied throughout the year, then all you need to do is go through each topic just once and the memory of that topic will start coming to you and you will remember it again. What is common between these waves and light waves? The vision of Education World is to shape up future leaders in all spheres of life.
Important questions 2 marks for Class 12 board exam 2018: Question: Derive the expression for the electric potential at any point along the axial line of an electric dipole? And never forget to revise whatever you are studying. Mention the various breakdown mechanisms. The more you will practice the better you will get. Practice as much as you can. Representing the answers is the main problem for board exam. Define polarization of a dielectric material. Try to implement these tips along with your hard work, it will definitely work.
What is discharge break down? In subjects like Physics it is important that all your basic concepts are clear. Next thing is you have to be focused while studying. Name two elements, one having positive susceptibility and the other having negative susceptibility. Set a time table and follow it strictly. Space charge polarisation occurs due to diffusion of ions, when an external electric field is applied.
From the force of gravity acting on your body to the wonders of man-made inventions working in tandem with societies, Physics shapes the way the world works, quite literally. What is the de-Broglie wavelength associated with it? Sir my question to you is, which should I give more attention numerical or theory? Practice from previous year paper also. As for revision, i will suggest to give 1 day in a week to go through everything that you have studied in that week. Question: An electron is accelerated through a potential difference of 64 volts. How do we make a mot ion picture possible? Remember with hard work you can achieve anything.
Give e xplanation for each. Focus more on understanding it, and get an idea of the syllabus and topics. Question: State the concept of mobile telephony and explain its working. State reason to explain these observations. Note: Above are the guess questions for Class 12 Physics based on the teaching experience of the author. Keep making notes, be regular in class, and strengthen your basic concepts. And now they are worried die to my performance.
Chemistry is a subject in which it is important to clear your basic concepts and then practice the numerical while in Biology you have to remember a lot of important topics. Anyway, if you want to pick a side then i will suggest you to go for concept of theory, because it will carry more marks than numerical. Are these books enough to achieve my target? Chemistry is more about understanding, so make sure your concepts are very clear. Ever wondered how velocity-time graphs work or how to break problems down step-by-step? Look out for the repeated questions. Hello Richa, Well this is good that you are concerned for Organic chemistry.
Therefore, very low fee is charged from students. How much work is done in moving a test charge from point P 7, 0, 0 to Q -3, 0, 0? I am confused about what kind of strategies I should have to score 90+ in boards and about 160 marks in physics neet. If you think that you are unable to concentrate at home and you need extra help then there is nothing wrong in taking coaching classes but make sure whatever you study you must do revision. It is of crucial importance and absolutely imperative for any student to have strong fundamentals in Physics for students who wish to pursue a career in engineering be it mechanical, electrical or computers. We are providing you with the list of those chapters. Vedantu Gives You The Competitive Edge Preparing for your board exams has never been easier and so much fun than with Vedantu.
All they depend on your basic concepts. Work hard, you will get good marks. When an electrical field is applied to a dielectric material, some amount of heat is produced. Although prepare with all the deriviations. Well, the above pdf files are unsolved, so now you have to solve each end every question with full concentration and focus. Also please suggest me ways to prepare well. The syllabus of Physics is as follow.
Also , draw the ray diagram. Question: i What is the line of sight communication? Next thing is formulas which must be in your fingertips. If N is the number of radioactive nuclei in the sample at some initial time, t , find out the relation to determine the number N present at a subsequent time. So should I do practice numerical from reference books? What is the de-Broglie wavelength associated with it? Doubt Clearance Classes are also provided to the students. Make sure that while studying you always write down the all the formulas in case of chemistry and make your own notes which will have you during exams. Do not proceed to next topic until the current one is clear to you.