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JEE Main 2021 Physics Question Paper & Answer Key (Out): Check Chapter/Topic Wise Weightage Analysis, Download PDF

Sakunth Kumar
Sakunth KumarPublished On: March 22, 2021 | JEE Main

JEE Main 2021 Physics question paper, answer key and topic/ chapter wise analysis for March & February (Phase 1 & 2) can be checked on this page. Download PDF of memory-based question paper and answer key here.

JEE Main 2021 Physics Question Pape & Answe Key: Check Chapter/Topic Wise Weightage Analysis, Download PDF
Table of Contents

JEE Main March 2021 (Phase 2) has been conducted on March 16, 17 & 18. As the exam is being conducted in April and May as well, it is important for the test takers to check the shift-wise topic/chapter-wise weightage for Physics, Chemistry and Mathematics. This will help the candidates to prepare for the upcoming phase accordingly. On this page, you can check the detailed analysis of JEE Main 2021 Physics topic and chapter-wise weightage. This analysis has been made on the basis of questions that appeared in the February & March 2021 exam.

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JEE Main March 2021 Physics Question Paper & Answer Key (Memory-Based)

The PDF of JEE Main March 2021 Physics memory-based question paper and answer key can be downloaded by clicking on the links below –

Date & Shift

Allen

Reliable Institute

Resonance

March 16 – Shift 1

March 16 – Shift 2

March 17 – Shift 1

March 17 – Shift 2

March 18 – Shift 1

March 18 – Shift 2

Also Check: 

JEE Main 2021 Question Papers

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JEE Main March 2021 Question Paper & Answer Key

JEE Main 2021 Response Sheet

JEE Main 2021 Paper 1 (B.Tech) Answer Key

JEE Main 2021 Result

JEE Main Feb 2021 Physics Question Papers (Unofficial)

The PDF of JEE Main Feb 2021 Physics question papers can be downloaded by clicking on the links below –

Date & ShiftAllen Career InstituteReliable InstituteResonance

February 24 – Shift 1

February 24 – Shift 2

February 25 – Shift 1

February 25 – Shift 2

February 26 – Shift 1

February 26 – Shift 2

JEE Main 18th March Shift 2 Physics Chapter Wise Weightage

The chapter-wise weightage of Physics in JEE Main 18th March Shift 2 is as follows -

Name of the ChapterWeightage
Electrodynamics23%
Heat & Thermodynamics10%
Mechanics33%
Modern Physics17%
Optics10%
SHM & Waves7%

JEE Main 18th March Shift 2 Physics Topic Wise Weightage

The topic-wise weightage of Physics in JEE Main 18th March Shift 2 is as follows -

Name of the TopicTotal No. of Questions
Current Electricity2
Electro Magnetic Field2
Electrostatics1
Electromagnetic Induction1
Alternating Current1
KTG & Thermodynamics3
Rigid Body Dynamics2
Centre of Mass1
Rectilinear Motion & Vectors1
Gravitation2
Fluid Mechanics & Properties of Matter1
Projectile Motion1
Circular Motion1
Error in Measurement1
Semiconductors1
Electromagnetic Waves & Communication2
Modern Physics1
Nuclear Physics1
Geometrical Optics & Physical Optics1
Wave Optics2
SHM2

JEE Main 18th March Shift 1 Physics Chapter Wise Weightage

The chapter-wise weightage of Physics in JEE Main 18th March Shift 1 is as follows -

Name of the ChapterWeightage
Electrodynamics27%
Heat & Thermodynamics7%
Mechanics40%
Modern Physics17%
Optics7%
SHM & Waves3%

JEE Main 18th March Shift 1 Physics Topic Wise Weightage

The topic-wise weightage of Physics in JEE Main 18th March Shift 1 is as follows -

Name of the TopicTotal No. of Questions
Capacitance2
Current Electricity1
Electro Magnetic Field1
Electrostatics1
Electro-Magnetic Induction1
Alternating Current2
KTG & Thermodynamics2
Rigid Body Dynamics1
Centre of Mass1
Rectilinear Motion & Vectors2
Gravitation2
Fluid Mechanics & Properties of Matter1
Work, Power & Energy1
Relative Motion1
Elasticity & Viscosity1
Error in Measurement2
Semiconductors1
Electromagnetic Waves & Communication1
Modern Physics2
Nuclear Physics1
Geometrical Optics & Physical Optics1
Wave Optics1
SHM1

JEE Main 17th March Shift 2 Physics Chapter Wise Weightage

The chapter-wise weightage of Physics in JEE Main 17th March Shift 2 exam is as follows -

Name of the ChapterWeightage
Electrodynamics23%
Heat & Thermodynamics7%
Mechanics33%
Modern Physics17%
Optics3%
SHM & Waves10%

JEE Main 17th March Shift 2 Physics Topic Wise Weightage

The topic-wise weightage of Physics in JEE Main 17th March Shift 2 exam is as follows -

Name of the TopicTotal No. of Questions
Capacitance1
Current Electricity2
Electro Magnetic Field1
Electrostatics1
Alternating Current2
KTG & Thermodynamics2
Rigid Body Dynamics1
Centre of Mass2
Rectilinear Motion & Vectors2
Gravitation1
Fluid Mechanics & Properties of Matter1
Friction1
Newton's Laws of Motion1
Work, Power & Energy1
Electromagnetic Waves & Communication3
Modern Physics2
Geometrical Optics and Physical Optics1
SHM3

JEE Main 17th March Shift 1 Physics Chapter Wise Weightage

Physics chapter-wise weightage of JEE Main 17th March Shift 1 is as follows -

Name of ChapterWeightage
Electrodynamics17%
Heat & Thermodynamics13%
Mechanics40%
Modern Physics20%
Optics3%
SHM & Waves7%

JEE Main 17th March Shift 1 Physics Topic Wise Weightage

Physics topic-wise weightage of JEE Main 17th March Shift 1 is as follows -

Name of the TopicTotal No. of Questions
Capacitance1
Current Electricity2
Electro-Magnetic Induction1
Alternating Current1
Heat Transfer1
KTG & Thermodynamics3
Rigid Body Dynamics4
Centre of Mass1
Rectilinear Motion & Vectors1
Gravitation1
Friction1
Surface Tension1
Error in Measurement1
Circular Motion1
Semiconductors1
Electromagnetic Waves & Communication1
Modern Physics4
Geometrical Optics & Physical Optics1
SHM2

JEE Main 16th March Shift 2 Physics Chapter Wise Weightage

The chapter-wise weightage of Physics in JEE Main 16th March Shift 2 is as follows -

Name of the ChapterWeightage
Electrodynamics17%
Heat & Thermodynamics10%
Mechanics30%
Modern Physics20%
Optics7%
SHM & Waves7%

JEE Main 16th March Shift 2 Physics Topic Wise Weightage

The topic-wise weightage of Physics in JEE Main 16th March Shift 2 is as follows -

Name of the TopicTotal No. of Questions
Capacitance1
Current Electricity1
Electro Magnetic Field1
Electro-Magnetic Induction1
Alternating Current1
Heat & Transfer1
KTG & Thermodynamics2
Rigid Body Dynamics2
Centre of Mass1
Rectilinear Motion & Vectors1
Gravitation1
Friction1
Relative Motion1
Elasticity & Viscosity1
Newton's Law of Motion1
Semiconductors1
Electromagnetic Waves & Communication1
Modern Physics1
Nuclear Physics3
Geometrical Optics and Physical Optics1
Wave Optics1
SHM1
Sound Waves1

JEE Main 16th March Shift 1 Physics Chapter Wise Weightage

The chapter-wise weightage of Physics in JEE Main 16th March Shift 1 is as follows -

Name of the ChapterWeightage
Electrodynamics23%
Heat & Thermodynamics7%
Mechanics30%
Modern Physics27%
Optics7%
SHM & Waves3%

JEE Main 16th March Shift 1 Physics Topic Wise Weightage

The topic-wise weightage of Physics in JEE Main 16th March Shift 1 is as follows -

Name of the TopicTotal No. of Questions
Capacitance1
Current Electricity2
Electro Magnetic Field1
Electro-Magnetic Induction1
Alternating Current2
Heat Transfer1
KTG & Thermodynamics1
Rigid Body Dynamics2
Rectilinear Motion & Vectors1
Gravitation1
Fluid Mechanics & Properties of Matter1
Friction1
Error in Measurement2
Circular Motion1
Semiconductors2
Electromagnetic Waves & Communication3
Modern Physics3
Geometrical Optics & Physical Optics1
Wave Optics1
SHM1

JEE Main 24th Feb Shift 1 Physics Chapter Wise Weightage

The Physics chapter wise weightage for JEE Main 24th Feb Shift 1 is as follows –

Name of the Chapter

Weightage

Electrodynamics

17%

Heat & Thermodynamics

17%

Mechanics

37%

Modern Physics

20%

Optics 

7%

SHM & Waves

3%

JEE Main 24th Feb Shift 1 Physics Topic Wise Weightage

The topic-wise weightage of JEE Main 24th Feb 2021 Shift 1 is as follows -

Name of the Topic

Total No. of Questions

Capacitance

1

Current Electricity

2

Electrostatics

1

Alternating Current

1

Heat Transfer

1

KGT & Thermodynamics

2

Calorimeter & Thermal Expansion

2

Rigid Body Dynamics

1

Centre of Mass

1

Rectilinear Motion & Vectors

1

Gravitation

3

Unit & Dimension

2

Friction

2

Surface Tension

1

Semiconductors

2

Electromagnetic Waves & Communication

1

Modern Physics

3

Geometrical Optics & Physical Optics

1

Wave Optics

1

SHM

1

JEE Main 24th Feb Shift 2 Physics Chapter Wise Weightage

The Physics chapter weightage in JEE Main 24th Feb Shift 2 exam is as follows -

Name of the Chapter

Weightage

Electrodynamics

20%

Heat & Thermodynamics

10%

Mechanics

23%

Modern Physics

27%

Optics 

3%

SHM & Waves

13%

JEE Main 24th Feb Shift 2 Physics Topic Wise Weightage

The topic-wise weightage of JEE Main 24th Feb Shift 2 Physics is as follows -

Name of the Topic

Total No. of Questions

Current Electricity

1

Electromagnetic Field

1

Electrostatics

2

Electro-Magnetic Induction

1

Alternating Current

1

KGT & Thermodynamics

3

Rigid Body Dynamics

1

Centre of Mass

2

Rectilinear Motion & Vectors

1

Gravitation

1

Elasticity & Viscosity

1

Error in Measurement

1

Semiconductors

3

Electromagnetic Waves & Communication

1

Modern Physics

4

Wave Optics

1

SHM

2

Sound Waves

1

String Wave

1

JEE Main 25th Feb Shift 2 Physics Chapter Wise Weightage

The chapter-wise weightage of Physics in JEE Main 25th Feb Shift 2 is as follows -

Name of the ChapterWeightage
Electrodynamics23%
Heat & Thermodynamics10%
Mechanics20%
Modern Physics27%
Optics3%
SHM & Waves13%

JEE Main 25th Feb Shift 2 Physics Topic Wise Weightage 

The topic-wise weightage for Physics in JEE Main 25th Feb Shift 2 is as follows -

TopicTotal No. of Questions
Capacitance1
Current Electricity1
Electro Magnetic Field1
Electrostatics3
Alternating Current1
KTG & Thermodynamics3
Rigid Body Dynamics1
Rectilinear Motion & Vectors2
Gravitation1
Unit & Dimension1
Work, Power & Energy1
Semiconductors3
Electromagnetic Waves & Communication1
Modern Physics4
Wave Optics1
SHM3
String Wave1

JEE Main 25th Feb Shift 1 Physics Chapter Wise Weightage 

The chapter weightage of Physics in JEE Main 25th Feb Shift 1 exam is as follows -

Name of the ChapterWeightage
Electrodynamics23%
Heat & Thermodynamics10%
Mechanics30%
Modern Physics13%
Optics 10%
SHM & Waves7%

JEE Main 25th Feb Shift 1 Physics Topic Wise Weightage

The topic-wise weightage of Physics in JEE Main 25th Feb shift 1 is as follows -

Name of the TopicTotal No. of Questions
Electromagnetic Field3
Electrostatics2
Electro-Magnetic Induction2
KTG & Thermodynamics3
Rectilinear Motion & Vectors1
Gravitation3
Unit & Dimension1
Elasticity & Viscosity1
Circular Motion1
Work, Power & Energy1
Error in Measurement1
Semiconductors1
Electromagnetic Waves & Communication1
Modern Physics1
Nuclear Physics1
Geometrical Optics & Physical Optics2
Wave Optics1
SHM1
Sound Waves1

Physics Chapter Wise Weightage for JEE Main 25th Feb Shift 2

The chapter-wise weightage of Physics in JEE Main 25th Feb Shift 2 is as follows -

Name of the ChapterWeightage
Electrodynamics23%
Heat & Thermodynamics10%
Mechanics20%
Modern Physics27%
Optics3%
SHM & Waves13%

Physics Topic Wise Weightage for JEE Main 25th Feb Shift 2

The topic-wise weightage for Physics in JEE Main 25th Feb Shift 2 is as follows -

TopicTotal No. of Questions
Capacitance1
Current Electricity1
Electro Magnetic Field1
Electrostatics3
Alternating Current1
KTG & Thermodynamics3
Rigid Body Dynamics1
Rectilinear Motion & Vectors2
Gravitation1
Unit & Dimension1
Work, Power & Energy1
Semiconductors3
Electromagnetic Waves & Communication1
Modern Physics4
Wave Optics1
SHM3
String Wave1

Physics Chapter Wise Weightage of JEE Main 26th Feb Shift 1

The chapter-wise weightage of Physics in JEE Main 26th Feb Shift 1 is as follows -

Name of the ChapterWeightage
Electrodynamics20%
Heat & Thermodynamics7%
Mechanics40%
Modern Physics20%
Optics 3%
SHM & Waves7%

Physics Topic Wise Weightage of JEE Main 26th Feb Shift 1

The topic-wise weightage of JEE Main 26th Feb Shift 1 is as follows -

TopicTotal No. of Questions
Capacitance1
Current Electricity1
Electrostatics2
Alternating Current2
Heat Transfer1
KTG & Thermodynamics1
Rigid Body Dynamics1
Centre of Mass1
Gravitation3
Unit & Dimension1
Friction1
Surface Tension1
Elasticity & Viscosity1
Circular Motion1
Newton's Law of Motion2
Semiconductors2
Electromagnetic Waves & Communication2
Modern Physics2
Wave Optics1
SHM1
String Wave1

Physics Chapter Wise Weightage of JEE Main 26th Feb Shift 2

The chapter-wise weightage of Physics in JEE Main 26th Feb Shift 2 is as follows -

Name of the ChapterWeightage
Electrodynamics20%
Heat & Thermodynamics7%
Mechanics23%
Modern Physics20%
Optics 10%
SHM & Waves17%

Physics Topic Wise Weightage of JEE Main 26th Feb Shift 2

The topic-wise weightage of Physics in JEE Main 26th Feb Shift 2 is as follows -

Name of the TopicTotal No. of Questions
Current Electricity1
Electrostatics3
Electro-Magnetic Induction1
Alternating Current1
KTG & Thermodynamics2
Rigid Body Dynamics1
Rectilinear Motion & Vectors1
Gravitation1
Gravitation1
Elasticity & Viscosity1
Newton's Law of Motion1
Projectile Motion1
Semiconductors2
Electromagnetic Waves & Communication1
Modern Physics2
Nuclear Physics1
Geometrical Optics & Physical Optics3
SHM4
Sound Waves1

JEE Main March 2021 Exam Analysis

You can click on the links below to check the shift wise exam analysis of JEE Main March 2021 –

JEE Main 16th March 2021 Shift 1 Analysis

JEE Main 16th March 2021 Shift 2 Analysis

Overall Analysis of JEE Main 16th March (Day 1)

JEE Main 17th March 2021 Shift 1 AnalysisJEE Main 17th March 2021 Shift 2 AnalysisOverall Analysis of JEE Main 17th March 2021
JEE Main 18th March 2021 Shift 1 AnalysisJEE Main 18th March 2021 Shift 2 AnalysisOverall Analysis of JEE Main 18th March 2021 (Day 3)

Also Check 

JEE Main 2021 Marks vs Percentile vs Rank Analysis

JEE Main March 2021 (Phase 2)

JEE Main March 2021 Application Form

List of Colleges for Low Rank in JEE Main

JEE Main Previous Years’ Question Papers

JEE Main April 2021 (Phase 3)

JEE Main May 2021 (Phase 4)

JoSAA Cutoff

JEE Main Previous Years’ Question Papers-

JEE Main February 2021 Exam Analysis

The shift wise exam analysis of JEE Main February 2021 is as follows -

JEE Main 23rd Feb 2021 Shift 1 Exam AnalysisJEE Main 23rd Feb 2021 Shift 2 Exam AnalysisOverall Exam Analysis of JEE Main 23rd Feb (Day 1)
JEE Main 24th Feb 2021 Shift 1 Exam AnalysisJEE Main 24th Feb 2021 Shift 2 Exam AnalysisOverall Exam Analysis of JEE Main 24th Feb (Day 2)
JEE Main 25th Feb 2021 Shift 1 Exam AnalysisJEE Main 25th Feb 2021 Shift 2 Exam Analysis Overall Exam Analysis of JEE Main 25th Feb (Day 3)
JEE Main 26th Feb 2021 Shift 1 Exam AnalysisJEE Main 26th Feb 2021 Shift 2 Exam AnalysisOverall Exam Analysis of JEE Main 26th Feb (Day 4) 

For the latest JEE Main 2021 news, stay tuned to CollegeDekho.

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