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NCERT Physics Practical Handbook for Class 12: Tips and Tricks to Score High Marks in Lab Exam PDF


Physics Practical Class 12 PDF Download




Physics is one of the most important subjects for students who are pursuing science stream in class 12. Physics not only deals with the theoretical concepts but also with the practical applications of those concepts in real life. Therefore, it is essential for students to learn and perform the physics practical experiments and activities that are prescribed by the CBSE board.


In this article, we will provide you with all the information that you need to know about physics practical class 12 PDF download. We will also give you some tips and tricks to ace the physics practical exam and score high marks. So, read on and get ready to become a physics expert!




physics practical class 12 pdf download



Introduction




Physics practical class 12 is a part of the CBSE curriculum that aims to enhance the students' understanding and skills in physics. Physics practical class 12 consists of two sections: section A and section B. Section A contains six experiments on electricity and magnetism, while section B contains six experiments on optics and semiconductors. Each experiment carries 7 marks, making a total of 42 marks for the experiments. Apart from the experiments, there are also six activities on various topics that carry 3 marks each, making a total of 18 marks for the activities. The remaining marks are distributed as follows: 5 marks for practical record, 3 marks for investigatory project, and 5 marks for viva voce. Thus, the total marks for physics practical class 12 are 30.


Physics practical class 12 helps the students to develop their scientific temper, analytical skills, observational skills, and problem-solving skills. It also helps them to verify the theoretical concepts by performing the experiments and observing the results. Moreover, physics practical class 12 prepares the students for higher studies and careers in science and technology.


Why is Physics Practical Important for Class 12?




Physics practical is important for class 12 students for many reasons. Some of them are:


  • Physics practical helps the students to understand the concepts of physics better by applying them in real situations.



  • Physics practical helps the students to develop their experimental skills, such as measuring, recording, calculating, graphing, analyzing, and interpreting data.



  • Physics practical helps the students to enhance their creativity, curiosity, and innovation by designing and conducting their own investigatory projects.



  • Physics practical helps the students to improve their communication skills by presenting their findings and answering questions in viva voce.



  • Physics practical helps the students to boost their confidence and interest in physics by making it fun and engaging.



  • Physics practical helps the students to score high marks in the board exam by preparing them for both theory and practical questions.



What are the Experiments and Activities in Physics Practical?




The experiments and activities in physics practical class 12 are based on the CBSE syllabus and cover all the important topics of physics. The experiments and activities are divided into two sections: section A and section B. Here is a brief overview of each section:


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Section A: Experiments on Electricity and Magnetism




This section contains six experiments that deal with the topics of electricity and magnetism. The experiments are:


  • To determine resistivity of two / three wires by plotting. a graph between inverse of resistance and length of the wire.



  • To find resistance of a given wire using metre bridge and hence determine the resistivity (specific resistance) of its material.



  • To verify the laws of combination (series/parallel) of resistances using a metre bridge.



  • To compare the EMF of two given primary cells using potentiometer.



  • To determine the internal resistance of a given primary cell using potentiometer.



  • To determine resistance per cm of a given wire by plotting a graph of potential difference versus current.



Section B: Experiments on Optics and Semiconductors




This section contains six experiments that deal with the topics of optics and semiconductors. The experiments are:


  • To find the value of v for different values of u in case of a concave mirror and to find the focal length.



  • To find the focal length of a convex mirror, using a convex lens.



  • To find the focal length of a convex lens by plotting graphs between u and v or between 1/u and 1/v.



  • To find the focal length of a concave lens, using a convex lens.



  • To determine angle of minimum deviation for a given prism by plotting a graph between angle of incidence and angle of deviation.



  • To determine refractive index of a glass slab using a travelling microscope.



Activities on Various Topics




This section contains six activities that deal with various topics of physics. The activities are:


  • To make a paper scale of given least count, e.g., 0.2 cm, 0.5 cm.



  • To determine mass of two different objects using a beam balance.



  • To plot a graph for a given set of data, with proper choice of scales and error bars.



  • To measure the force of limiting friction for rolling of a roller on a horizontal plane.



  • To study the variation in range of a jet of water with angle of projection.



  • To study the conservation of energy of a ball rolling down on an inclined plane (using a double inclined plane).



How to Download Physics Practical Class 12 PDF?




If you want to download physics practical class 12 PDF, you have two options: you can either download it from the official website of NCERT or from other websites that provide free PDFs. Here are the steps to download physics practical class 12 PDF from both sources:


Steps to Download from NCERT Website





  • Go to the NCERT website at https://ncert.nic.in/



  • Click on "Publications" and then on "PDF (I-XII)"



  • Select "Class XII" from the drop-down menu and then click on "Physics"



  • Scroll down to find "Laboratory Manual Physics Class XII" and click on "Download Complete Book"



  • The PDF file will be downloaded to your device and you can open it with any PDF reader



Steps to Download from Other Websites





  • Go to any website that provides free PDFs for physics practical class 12, such as https://www.studiestoday.com/ or https://www.ncertbooks.guru/



  • Search for "physics practical class 12 PDF" or "physics lab manual class 12 PDF" in the search box



  • Select the PDF file that matches your requirements and click on "Download" or "View Online"



  • The PDF file will be downloaded to your device or opened in your browser, depending on your choice



How to Prepare for Physics Practical Class 12 Exam?




Physics practical class 12 exam is an important part of your board exam preparation. It tests your experimental skills, conceptual understanding, and presentation skills. Therefore, you need to prepare well for it and score high marks. Here are some tips and tricks to ace the physics practical exam:


Tips and Tricks to Ace the Physics Practical Exam




Know the Concepts Well




The first and foremost thing that you need to do is to know the concepts well. You should be able to explain the aim, theory, procedure, observation, calculation, result, and conclusion of each experiment and activity. You should also be able to relate them to the real-life situations and applications. You should revise the concepts regularly and clear your doubts with your teacher or friends.


Opt for a Stepwise Approach


The second thing that you need to do is to opt for a stepwise approach while performing the experiments and activities. You should follow the procedure given in the lab manual or the instructions given by your teacher. You should also use the appropriate apparatus, instruments, and materials for each experiment and activity. You should record your observations carefully and accurately in a tabular form. You should also show your calculations clearly and correctly. You should write your result and conclusion in a concise and precise manner.


Understanding Over Cramming




The third thing that you need to do is to focus on understanding over cramming. You should not try to memorize the experiments and activities without understanding them. You should try to understand the logic and reasoning behind each step and each formula. You should also try to derive the formulas from the basic principles of physics. You should also practice the numerical problems based on the experiments and activities. This will help you to improve your analytical and problem-solving skills.


Practice Makes A Man Perfect




The fourth thing that you need to do is to practice as much as possible. You should practice the experiments and activities in the lab as well as at home. You should also practice the viva voce questions that are related to the experiments and activities. You should also practice the diagrams, graphs, and charts that are required for the experiments and activities. You should also practice writing the aim, theory, procedure, observation, calculation, result, and conclusion of each experiment and activity. This will help you to gain confidence and speed.


Be Confident




The fifth and final thing that you need to do is to be confident. You should not be nervous or anxious while performing the experiments and activities or while answering the viva voce questions. You should be calm and composed and trust your preparation. You should also be honest and admit your mistakes if any. You should also be polite and respectful towards your teacher and examiner. You should also be enthusiastic and curious about learning new things.


Conclusion




Physics practical class 12 is an important part of your board exam preparation. It helps you to understand the concepts of physics better by applying them in real situations. It also helps you to develop your experimental skills, communication skills, and presentation skills. It also helps you to score high marks in the board exam by preparing you for both theory and practical questions.


To download physics practical class 12 PDF, you can either download it from the official website of NCERT or from other websites that provide free PDFs. To prepare for physics practical class 12 exam, you need to know the concepts well, opt for a stepwise approach, focus on understanding over cramming, practice as much as possible, and be confident.


We hope that this article has helped you to get all the information that you need to know about physics practical class 12 PDF download. We wish you all the best for your board exam!


FAQs




Here are some frequently asked questions about physics practical class 12 PDF download:



  • Q: Where can I find the solutions for physics practical class 12 PDF?



  • A: You can find the solutions for physics practical class 12 PDF on some websites that provide free PDFs, such as https://www.ncert-solutions.com/ or https://www.learninsta.com/



  • Q: How can I check my marks for physics practical class 12 exam?



  • A: You can check your marks for physics practical class 12 exam on the official website of CBSE at https://cbse.nic.in/ or on some websites that provide results, such as https://www.jagranjosh.com/ or https://www.indiaresults.com/



  • Q: What are some good books for physics practical class 12?



  • A: Some good books for physics practical class 12 are:



  • Laboratory Manual Physics Class XII by NCERT



  • Comprehensive Practical Physics Class XII by Laxmi Publications



  • Together with Physics Lab Manual Class XII by Rachna Sagar



  • Modern ABC of Practical Physics Class XII by Modern Publishers



  • Q: What are some important topics for physics practical class 12 exam?



  • A: Some important topics for physics practical class 12 exam are:



  • Meter bridge



  • Potentiometer



  • Lens formula



  • Prism formula



  • Travelling microscope



  • Ohm's law



  • Kirchhoff's laws



  • Lens maker's formula

  • Refraction of light



  • Reflection of light



  • Snell's law



  • Critical angle and total internal reflection



  • Optical instruments



  • Semiconductors and diodes



  • Logic gates



  • Q: How can I improve my presentation skills for physics practical class 12 exam?



  • A: You can improve your presentation skills for physics practical class 12 exam by following these tips:



  • Write neatly and legibly in your practical record and answer sheet



  • Use proper units, symbols, and notations for all the quantities and formulas



  • Draw clear and accurate diagrams, graphs, and charts with proper labels and scales



  • Highlight the important points and steps with bullets, numbers, or underlines



  • Avoid spelling and grammatical errors in your language



  • Organize your content in a logical and coherent manner



  • Use headings, subheadings, and paragraphs to structure your content



  • Be precise and concise in your result and conclusion





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