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Previous Year Question Paper for CBSE Class 12 Physics - 2015

Cbse Previous Year Question Paper

Class 12

Physics

2015

CBSE Class 12 Physics Previous Year Question Paper with Solution - 2015 - Free PDF Download

Physics is one of the important subjects in Class 12 for students who wish to pursue a career in the field of Science, Medicine, Engineering, etc. A good score in Class 12 Physics will be a foundation for admission to a good college/university. The key to getting good marks is studying the entire syllabus thoroughly followed by constant practice of last year's question paper of CBSE Class 12 Physics Paper.

Physics is not a traditional theory paper, like any other subject. It can be mastered only through regular practice through exam-like conditions in order to excel in the CBSE board exam. Hence, Vedantu provides with CBSE Class 12 Physics Question paper- 2015 with the detailed solutions in a PDF format for practice and reference.

Section-Wise Mark Distribution

CBSE Class 12 Physics 2015 Board Exam pattern consists of 26 questions, which is divided into four sections- A, B, C, D, and E. Students have a variety of internal choices along with a value-based question to check the value of knowledge gained by the student on a daily basis. The marking scheme and chapterwise weightage in the 2015 CBSE class 12 physics question paper is given below.

Section	Question Type	Mark Distribution
A	Very Short Answer Questions	5 X 1 = 5
B	Short Answer Questions-1	5 X 2 = 10
C	Short Answer Questions-2	12 X 3 = 36
D	Value-based Question	1 X 4 = 4
E	Long Answer Question	3 X 5 =15
-	Total	70

Chapter-wise Mark Distribution

Unit No.	Unit Name	Marks
1	Electrostatics	16
2	Current Electricity	17
3	Magnetic Effects of Current and Magnetism
4	Electromagnetic Induction and Altering Currents
5	Electromagnetic Waves	18
6	Optics	18
7	Dual Nature of Radiation and Matter	12
8	Atoms and Nuclei	12
9	Electronic Devices	7
-	Total	70

Important topics of Class 12 Physics CBSE chapters

The following are some of the important topics under each unit.

Electrostatics

This unit is divided into two subtopics: Electric Charges and Fields, Electrostatic Potential and Capacitance. The important topics under this unit are Coulomb's law, Electrostatic Field and Electric Dipole, Gauss’s Law, Electrostatic potential, and Capacitance. Having a clean preparation for this chapter can gain students a solid 16 marks out of 70.

Current Electricity

This unit consists of important concepts and derivatives such as Expression for drift velocity, Relation between current and drift velocity, Series and parallel connection of resistors, Kirchoff’s laws and simple applications, potentiometer.

Magnetic Effects of Current and Magnetism

This unit consists of two subtopics: Moving Charges and Magnetism, And Magnetism and Matter. Important topics and derivatives of these chapters are Biot- Savart law, Ampere’s law, uniform magnetic and electric fields, Cyclotron, Moving Coil Galvanometer, Force & Torque on Magnetic field under Moving charges and Magnetism. Magnetic dipole, Magnetic field intensity, etc in Magnetism and Matter.

Electromagnetic Induction and Alternating Current

Important topics and derivations of these chapters are Motional EMF or Induced EMF, Mutual and Self Induction, Relation between RMS and peak value of current & EMF, LCR, LR, CR, and LR circuit.

Electromagnetic Waves

Important topics and derivations in this unit are Displacement current, Characteristics and Properties of Electromagnetic waves, and Electromagnetic Spectrum.

Optics

This unit consists of two subtopics: Ray Optics and Optical Instruments, and Wave Optics. Important topics of this chapter are Total Internal Reflection, Mirror Formula, Lensmaker’s Formula, Prism, Scattering of Light, Microscope and Astronomical Telescope in Ray Optics and Optical Instruments. Young double-slit experiment, Diffraction using single slit and Polarisation in Wave Optics.

Dual Nature of Radiation and Matter

Important topics of this chapter are the Dual nature of radiation, the Photoelectric effect, Hertz and Lenard's Observations, Einstein’s photoelectric equation-particle nature of light.

Atoms and Nuclei

Alpha-particle scattering experiment, Expression of radius, Bohr model, energy levels, hydrogen spectrum, N = N0 e‒λt, Mass defect, Binding energy per nucleon, Nuclear fission, and fusion are important topics and derivations in this chapter.

Electronic Devices

This chapter is associated with Semiconductor Electronics: Materials, Devices, and Simple Circuits. Important topics of this chapter are Energy bands in Conductors, Semi-Conductors and Insulators, Diode, Junction Transistor, Diode as rectifier, etc.

Analysis of CBSE Class 12 Board Examination Question Paper- 2015

The CBSE Class 12 Physics Board Examination-2015, from the students’ point of view, is one of the most difficult papers. Students who attempted the board exam reported that the paper was lengthy and time-consuming. The number of words required to be written was more than the marks allotted to the questions.

The difficulty level of the exam was similar to the previous year question paper and sample paper 2015 provided by CBSE. 26% of the paper was full of numerical, the calculations were more involved and time-consuming. 38% of the paper was easy, 29% of the paper were at medium difficulty level and 33% of the paper was at difficulty level.

A lot of application and analysis-based questions were asked, which can be answered only by the student who has clear conceptual knowledge on the topics. Solving previous year question papers can be helpful for students to get prepared for the unexpected questions in the board exam. To prepare for the upcoming exam, here is the CBSE Class 12 Board Examination Question Paper-2015 with detailed solutions for preparation.

To make the most out of your study and practice sessions, log on to Vedantu and find the ideal study material compiled by the top experts. Learn how the answers are framed by the experts by following the latest CBSE guidelines. Focus on your syllabus and prepare well for the board exams.

FAQs on Previous Year Question Paper for CBSE Class 12 Physics - 2015

1. What are the advantages of solving previous year CBSE Class 12 Physics Papers?

Practicing previous year question papers will increase your concentration and it helps you understand how to prioritize and decide what questions to be answered first and which questions to attempt at the end. This builds confidence for the students on how to utilize the 3 hour’s time and focus completely on the exam paper.

It will give a clear idea about the exam pattern and nature of questions. Students can also understand the critical level of questions asked in the exam. Solving the previous year paper with a timer can help to pick up speed and manage time.

2. How to prepare for CBSE Class 12 Physics Board Exam?

First of all, make a note of all the formulas and practise them frequently to memorize them. Derivations play a major role in Physics. Learning the derivations of the formulas will help students solve the questions on the board exam with ease. Questions asked in the board exams will be in a deviant way.

So, to understand them, one should be completely perfect with the derivations and formulas. Focus mainly on the topics with a high weightage of marks. A sound wave, Wave optics, Modern Physics, Alternating Current, and Thermodynamics are some of the main topics to be focused on. Thermodynamics is a topic that is common in both chemistry and physics so learning it can help to ease out preparations for chemistry too. One should master every concept with frequent practice to score better in your board examination.

3. How to prepare for the CBSE Class 12 Board exam for Physics at the last minute?

Optics, Electrostatics, Magnetic effects of Current & Magnetism, Electromagnetic Induction & Altering Current, Electromagnetic Waves, Current Electricity and Electronic Devices are some of the most important and scoring topics in Physics. So, It is advisable to follow the same order. Practising derivation, definition, and formulas and having short keynotes can be useful for quick revision at the last minute.

Practice more conceptual questions based on derivations from previous year’s question papers and mock papers. Try to cover all the topics and questions from NCERT books. Preparing well for direct theory questions will effectively save time in the examination hall. Chapter-wise mind maps can be more useful at the last minute to revise and retain concepts. I hope this will be useful for your preparation.

4. Is Class 12 Physics tougher than Class 11 Physics?

No, CBSE Class 12 Physics is not tougher than Class 11. But, it all depends on how well you have understood the subject in Class 11. In Class 11, physics is mostly mechanics, so if you enjoy working on Newton's laws, kinematics, and subjects similar to that you will find class 12 physics very easy. As you have familiar knowledge of these topics in the previous class and it becomes easy for you to understand class 12 physics even better.

5. Mock Tests vs Previous year question papers- Which is better for preparation for Class 12 Board Examination?

Practising through mock tests and previous year question papers can be an easy way to revise the entire syllabus for the exam in a quick time. But, solving previous year question papers gives a fair idea of the exam pattern, question type, and difficulty level of the exam. It also provides the experience of actual examination to students, which boosts self-confidence and problem-solving skills. Previous year question papers help to analyze the practice and performance standards of the students to constantly upgrade themselves. You will get both at Vedantu along with proper solutions.