# CBSE Class 12 Physics Board Exam 2019: Important Graphs, Topics, Derivations, Papers & Tips

Mayank Uttam

CBSE Class 12 Physics Board Exam 2019 is scheduled to be held on 5th March from 10:30 AM to 01:30 PM. More than 6 lakhs students will write this exam. Physics is considered as one of the toughest subjects of CBSE Class 12. Students of Class 12 having Physics as one of their subjects often search important graphs, diagrams, topics, derivations, sample papers, guess papers . Here we have provided all the important resources useful to reaper for CBSE Class 12 Physics board exam 2019 on the last day.

Don’t Forget to Check Guess Paper for CBSE Class 12 Physics Board Exam 2019 (by Jagran Josh) – Check this link

Check Class 12 Physics Sample Paper with Answers & Marking Scheme (Issued by CBSE) – Use this link

## Chapter-wise important graphs and diagram for CBSE Class 12 Physics Board Exam 2019

In CBSE Class 12 Physics Board Exam 2019, many questions are based on graph and diagrams and it is important for students to prepare important graphs & diagrams from each chapter of CBSE Class 12 Physics NCERT textbook. Here are some chapter-wise diagrams & graphs important for CBSE Class 12 Physics Board Exam 2019.

To learn important topics for CBSE Class 12 Physics Board Exam 2019, please click on this link

Latest Syllabus for CBSE Cass 12 Physics Board Exam 2019 with Blueprint (Use this link)

Previous Years Solved Papers of CBSE Class 12 Physics (2018 to 2010)

NCERT Class 12 Physics: Chapter 1 - Electric Charges and Fields

• Gold leaf electroscope

NCERT Class 12 Physics: Chapter 2 - Electrostatic Potential and Capacitance

• Graph - potential due to a point charge and variation of potential with distance

• Some equipotential surfaces for a dipole, and two identical positive charges

NCERT Class 12 Physics: Chapter 3 - Current Electricity

• Ohm’s law

• Temperature dependence of resistivity

• Metre bridge

• Potentiometer

NCERT Exemplar Solutions for CBSE Class 12 Physics

NCERT Class 12 Physics: Chapter 4 - Moving Charges and Magnetism

• Cyclotron

• Magnetic field due to a solenoid or toroid

• Moving Coil Galvanometer

NCERT Class 12 Physics: Chapter 5 - Magnetism and Matter

• Behaviour of magnetic field lines near a diamagnetic and a paramagnetic substance.

• Components of Earth's Magnetic Field

NCERT Class 12 Physics: Chapter 6 - Electromagnetic Induction

• AC Generator

NCERT Class 12 Physics: Chapter 7 - Alternating Current

• Representation of AC Current and Voltage by Rotating Vectors — Phasors

• Resonance

NCERT Class 12 Physics: Chapter 8 - Electromagnetic Waves

•No important diagrams or graphs

NCERT Class 12 Physics: Chapter 9 - Ray Optics and Optical Instruments

• Advance sunrise and delayed sunset due to atmospheric refraction.

Total internal reflection

Optical fibre

Refraction through a Prism

Refraction through a lens

Variation of angle of deviation (δ) versus angle of incidence (i) for a triangular prism

Rainbow

NCERT Class 12 Physics: Chapter 10 - Wave Optics

•Wavefront

• Young’s double slit experiment & pattern

• Diffraction pattern

NCERT Class 12 Physics: Chapter 11 - Dual Nature of Radiation and Matter

• Graphs based on Experimental Study of Photoelectric Effect

• Variation of photocurrent with collector plate potential for different intensity of incident radiation •Variation of photoelectric current with collector plate potential for different frequencies of incident radiation

• Variation of stopping potential with frequency ν of incident radiation for a given photosensitive material

• Davisson-Germer electron diffraction arrangement

NCERT Class 12 Physics: Chapter 12 - Atoms

• Geiger-Marsden scattering experiment.

Atomic spectra

The line spectra of the Hydrogen atom

NCERT Class 12 Physics: Chapter 13 - Nuclei

• The binding energy per nucleon as a function of mass number

NCERT Class 12 Physics: Chapter 14 - Semiconductor Electronics: Materials, Devices and Simple Circuits

• Difference between energy bands of (a) metals, (b) insulators and (c) semiconductors

• p-n junction formation process

• Diode under reverse bias

• Barrier potential under reverse bias

• Half-wave rectifier

• Full-wave rectifier

• Zener diode as DC voltage regulator

• Schematic representations of a n-p-n transistor and p-n-p transistor

• Symbols for n-p-n and p-n-p transistors

• Characteristics of a transistor and transistor as an amplifier (common emitter configuration)

• Logic gates (OR, AND, NOT, NAND and NOR).

NCERT Class 12 Physics: Chapter 15 - Communication Systems

• Elements of a communication system (block diagram only)

• Propagation of electromagnetic waves in the atmosphere, sky and space wave propagation

• Amplitude modulation

## A few tips to revise or prepare for CBSE Class 12 Physics Board Exam 2019

• First start preparing topics having maximum weightage in board exam

• Revise more than once without getting stuck

• Revision of latest CBSE sample paper & previous year papers is extremely important

• Don’t forget to check CBSE Toppers' Answer Sheet to learn art of writing good answer in exams