Physics NEET 2021: Most Important Chapters [Chapter Wise Weightage]

neet physics important chapters and topics

If you want to score good marks in the physics section of NEET 2021, it is necessary to know what chapters are important for the exam and to know what weightage each chapter carries.

As soon as you know which chapters are important, you can dedicate more time to them.

Do or die chapters in physics indicate which chapters need more concentration to be studied and, therefore, hold more weight in the NEET examination.

For those seeking admission to MBBS and BDS, the NTA is responsible for organizing the NEET UG exam. The NTA will also set the pattern for NEET. In order to understand the structure of the NEET exam paper, it is advisable for candidates to go through the exam pattern completely.

Most Important Chapters in NEET Physics [Class 11]:

The following table summarizes the questions that appeared in the physics part in each of the 16 AIPMT/NEET exams completed between 2008 and 2020.

In this way, you will be able to get an idea of the pattern of questions that have been asked from various topics. It is crucial to have knowledge of important topics in physics as this will strengthen the preparation for the test.

Chapter 2: Units and Measurements

Topic nameNumber of questions
Dimensions16
Errors6
Measuring devices3
Significant figures1
Total number of questions26

Chapter 3: Motion in a Straight Line

Topic NameNumber of Questions
Accelration7
Distance and displacement6
Average speed and average velocity5
uniformly accelerated motion5
Relative motion in one dimension4
Graphs2
Instantaneous speed and instantaneous velocity2
Non-uniform acceleration2
Total number of questions33

Chapter 4: Motion in a Plane

Topic NameNumber of Questions
Projectile motion11
Circular motion6
Acceleration4
Relative motion4
Position and displacement2
Speed and velocity2
Uniformly accelerated motion1
Total number of questions30

Chapter 5: Laws of Motion

Topic NameNumber of Questions
Application of laws10
Friction10
Newton laws8
Uniform circular motion8
Non-uniform vertical circular motion4
Banking of roads2
Spring force2
Types of forces2
Variable mass system1
Total number of questions47

Chapter 6: Work, Energy, and Power

Topic NameNumber of Questions
Work-Energy theorem10
Power8
Work done by variable force6
Concept of work3
Potential energy: Relation with force3
Kinetic energy: Relation with force3
Elastic potential energy1
Gravitational potential energy1
Total number of questions35

Chapter 7: Systems of Particles and Rotational Motion

Topic NameNumber of Questions
Moment of Inertia17
Collisions14
Torque14
Angular momentum12
Centre of mass9
Linear momentum7
Rolling motion6
Rotation motion: Introduction4
Total number of questions83

Chapter 8: Gravitation

Topic NameNumber of Questions
Acceleration due to gravity10
Gravitational potential energy7
Escape velocity6
Kepler’s laws6
Satellite5
Gravitational potential3
Gravitational field2
Newton law of gravitation2
Orbital velocity2
Total number of questions43

Chapter 9: Mechanical Properties of Solids

Topic NameNumber of Questions
Elasticity7
Hooke’s law2
Stress-strain curve1
Total number of questions10

Chapter 10: Mechanical Properties of Fluids

Topic Name Number of Questions
Surface tension6
Pressure4
Bernoulli theorem3
Capillary rise3
Viscosity2
Archimedes principle1
Equation of continuity1
Properties of fluids1
Total number of questions21

Chapter 11: Thermal Properties of Matter

Topic NameNumber of Questions
Conduction9
Calorimetry6
Wien displacement law5
Radiation4
Stefan-Boltzmann law4
Thermal expansion4
Newton’s law of cooling3
Convection1
Temperature scales1
Total number of questions37

Chapter 12: Thermodynamics

Topic NameNumber of Questions
Basic terms1
Cyclic process5
First law of thermodynamics7
Heat engine and refrigerator8
Molar specific heat5
Types of processes16
Work done by gas2
Total number of questions44

Chapter 13: Kinetic Theory of Gases

Topic NameNumber of Questions
Specific heat8
Ideal gas6
Kinetic energy of gas5
Mean free path3
Types of veocities1
Total number of questions23

Chapter 14: Oscillations

Topic NameNumber of Questions
Simple Harmonic Motion26
Combination of springs2
Damped oscillation1
Energy of SHM1
Total number of questions30

Chapter 15: Waves

Topic NameNumber of Questions
Wave motion11
Standing waves10
Beats8
Doppler effect6
Speed of sound3
Types of waves3
Travelling wave on string2
Total number of questions43

Most Important Chapters in NEET Physics [Class 12]:

Chapter 1: Electric Charges and Fields

Topic NameNumber of Questions
Electric field11
Coulomb’s faw8
Gauss law7
Electric dipole4
Total number of questions30

Chapter 2: Electrostatic Potential and Capacitance

Topic NameNumber of Questions
Relation between Field and Potential8
Electric potential6
Energy Stored in Capacitor6
Capacitance5
Dielectrics5
Electric Potential Energy3
Combination of Capacitors2
Equipotential Surfaces1
Total number of questions36

Chapter 3: Current Electricity

Topic NameNumber of Questions
Heating effect of current15
Kirchhoff’s voltage law11
Combination of resistors9
Meter bridge and potentiometer9
Derivation of Ohm’s Law6
EMF and terminal voltage5
Current and current density3
Grouping of cells3
Colour coding of resistors2
Wheatstone bridge2
Total number of questions65

Chapter 4: Moving Charges and Magnetism

Topic NameNumber of Questions
Lorentz Force18
Magnetic field due to various cases13
Moving coil galvanometer7
Current carrying loop: force and torque6
Magnetic moment5
Conversion to Ammeter and Volmeter2
Force between current carrying wires2
Ampere circuital law1
Total number of questions54

Chapter 5: Magnetism and Matter

Topic NameNumber of Questions
Bar magent8
Magnetic materials 7
Earth’s magnetism4
Analogy between electrostatics and magnetostatics2
Curie law and hysteresis2
Magnetization and Magnetic intensity1
Total number of questions24

Chapter 6: Electromagnetic Induction

Topic NameNumber of Questions
Faraday’s Law and Lenz Law8
Motional EMF8
Self-inductance6
Mutual-inductance4
Magnetic flux3
Eddy Current1
Total number of questions30

Chapter 7: Alternating Current

Topic NameNumber of Questions
Different types of AC Circuits22
RMS and average values4
Transformer4
LC oscillations2
AC generator1
AC vs DC1
Total number of questions34

Chapter 8: Electromagnetic Waves

Topic Name Number of Questions
Properties of EM waves18
Electromagnetic spectrum2
Generation of EM waves1
Maxwell equations 1
Total number of questions22

Chapter 9: Ray Optics and Optical Instruments

Topic NameNumber of Questions
Prisms12
Lenses9
Lensmaker’s formula6
Reflection at spherical surface6
Total Internal Reflection (TIR)5
Telescope4
Refraction at plane surface3
Simple and Compound microscope3
Human eye2
Reflection at plane surface1
Resolution of optical devices1
Total number of questions52

Chapter 10: Wave Optics

Topic NameNumber of Questions
Young double slit experiment11
Diffraction8
Polarization of light3
Superposition principle2
Resolving power of optical devices1
Total number of questions25

Chapter 11: Dual Nature of Radiation and Matter

Topic NameNumber of Questions
De-brogile wavelength21
Einstein photo-electric equation19
Photoelectric effect experiment19
Davisson and Germer experiment 3
Electron emission3
Particle nature of light2
Total number of questions67

Chapter 12: Atoms

Topic NameNumber of Questions
Bohr’s model of atom17
Various atomic model7
Spectral series6
X-ray3
Total number of questions33

Chapter 13: Nuclei

Topic NameNumber of Questions
Radioactivity16
Mass-energy equivalent 7
Types of decay7
Nuclear binding energy6
Nuclear reactor2
Total number of questions38

Chapter 14: Semiconductor Electronics: Materials, Devices and Simple Circuits

Topic NameNumber of Questions
Logic gates25
PN junction15
Types of semiconductors9
Transistor8
Applications of transistor7
Applications of PN junction4
Energy band theory4
Total number of questions72

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