Kinematics 2D(Projectile Motion) – NEET Previous Year Question with Complete Solution
Here you will get Complete Kinematics 2D (Projectile Motion) NEET Previous Year Questions with complete and detailed solutions. Get complete NEET previous year questions for Physics, Chemistry and Biology. You will find all the solutions at the end of this page:
NEET UG Previous Year Paper Chapter-wise with Solutions
Aspirants can get previous year question papers chapter-wise with solution. All the NEET UG Papers are provided with complete and detailed Solution. You can download them in the PDF format or you can also read them online.

### Physics Topicwise Previous Year Questions

Here is the list of all the physics chapter of class 11-12 from which questions were asked in past NEET UG papers.

### Chemistry Topicwise Previous Year Questions

Here is the list of all the chemistry chapter of class 11-12 from which questions were asked in past NEET UG papers.
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JEE Main 2021 – Exam Pattern, Important Dates, Syllabus

All the aspirants of JEE are informed that JEE main 2021 application form has been released on 16th December 2020. National Testing Agency (NTA) organizes JEE Main Exam 4 times in a year – January to May sessions.

The details given below are for January Session. So, start filling the JEE main 2021 application form for January session.

Important Dates for JEE Main January 2021 Registration

 JEE Main 2020 Important Dates Application form starts from 16th December 2020 Last date to submit Application 16th January 2021 Last date to pay application fees 17thJanuary 2021 Correction in Particulars 19th – 21th January 2021 Admit Card for JEE Main 2021 2nd week of February JEE Main Exam Dates Session 1 – February 23 to 26, 2021 Session 2 – March 15 to 18, 2021 Session 3 – April 27 to 30, 2021 Session 4 – May 24 to 28, 2021 JEE Main Result 2021 (January Attempt) To Be Notified

Application Link: JOINT ENTRANCE EXAMINATION (MAIN) 2021

JEE Main 2021 Exam Pattern

As per the eligibility criteria for, a few changes in the pattern of the question paper(s) and number of question(s) for B.E./B.Tech has been approved by the JEE Apex Board (JAB) for the conduct of JEE (Main)-2021 Examination.

 Paper Subject with Number of Questions Type of Questions TIMING OF THE EXAMINATION(IST) B.tech Mathematics – 30(20+10) Physics – 30(20+10) Chemistry – 30(20+10) 20 Objective Type – Multiple Choice Questions (MCQs) & 10 Questions with answer as numerical value, with equal weightage to Mathematics, Physics & Chemistry 1st Shift: 09:00 a.m. to 12:00 p.m. 2nd Shift: 03:00 p.m. to 06:00 p.m.

There is no age limit for the candidates to appear in JEE Main 2020 Examination. The candidates who have passed their 12th Examination in 2019, 2020 and appearing in 2021 are eligible to JEE Main Examination 2021.

Those candidates who cleared the class 12 exam in 2018 or before 2018 are not eligible to appear for JEE Main 2021 exam.

Candidates, who desire to appear in January JEE (Main) –2021, may see the detailed Information Bulletin available on NTA Website and apply for the same only online.

Educational Qualification

Candidates appearing 12th or equivalent examination in year 2021 will be also eligible to apply for JEE Main. Where Math, Physics and Chemistry are the essential subjects.

JEE Main Syllabus 2020: Paper -1

Section 1 – PHYSICS

1. Physics and Measurement
2. Kinematics
3. Work, Energy and Power
4. Rotational Motion
5. Gravitation
6. Properties of Solid and Liquids
7. Thermodynamics
8. Kinetic Theory of Gases
9. Oscillations and Waves
10. Electrostatics
11. Current Electricity
12. Magnetic Effects of Currents and Magnetism
13. Electromagnetic Induction and Alternating Currents
14. Electromagnetic Waves
15. Optics
16. Dual Nature of Matter and Radiation
17. Atoms and Nuclei
18. Electronic Devices
19. Communication Systems and Experimental Skills

Section 2 – CHEMISTRY

1. Some Basic Concepts of Chemistry
2. States of Matter
3. Atomic Structure
4. Chemical Bonding and Molecular Structure
5. Chemical Thermodynamics
6. Solutions
7. Equilibrium
8. Redox Reactions
9. Electrochemistry
10. Chemical Kinetics
11. Surface Chemistry
12. Classification of Elements and Periodicity in Properties
13. General Principles and Processes of Isolation of Metals
14. Hydrogen
15. s-Block Elements
16. p-Block Elements
17. d- and f-Block Elements
18. Coordination Compounds
19. Environmental Chemistry
20. Some Basic Principles of Organic Chemistry
21. Hydrocarbons
22. Organic Compounds Containing Halogens
23. Organic Compounds Containing Oxygen
24. Organic Compounds Containing Nitrogen
25. Polymers
26. Bio-molecules
27. Chemistry in Everyday Life
28. Principles Related to Practical Chemistry

Section 3 – Mathematics

1. Sets, Relations, and Functions
2. Complex Numbers and Quadratic Equations
3. Matrices and Determinants
4. Permutations and Combinations
5. Mathematical Induction
6. Binomial Theorem and its Simple Applications
7. Sequences and Series
8. Limits Continuity and Differentiation
9. Integral Calculus
10. Differential Equations
11. Coordinate Geometry
12. Three-dimensional Geometry
13. Vector Algebra
14. Statistics and Probability
15. Trigonometry
16. Mathematical Reasoning

JEE Main Syllabus 2020: Paper -2

Section 1 – Math & Aptitude

1. Awareness of Places, persons, buildings and materials
2. Texture and Objects related to Architecture
3. Visualizing 3D objects from 2D drawings
4. Visualizing Different sides of 3D Objects
5. Mental Ability
6. Analytical Reasoning
7. Colour Texture
8. Contrast and Harmony
9. Building Forms and Elements
10. 3D- Perception and Appreciation of scale and proportion of objects.

Section 2 – Drawing Test

1. Drawing and Designing of geometrical or abstract shapes & patterns in pencil
2. Transformation of forms both 2D and 3D union
3. Elevation and 3D views of objects rotation
4. Development of Surfaces and Volumes
5. Generation of Plan
6. Creating 2D & 3D compositions using given shapes and forms
7. Sketching of activities from memory of urban scenes

Now, when you have the complete list of topics included in the JEE Mains Syllabus analyze it properly make your preparation flawless, do not skip any of the topics, set goals and accomplish them to get the desired results. Not only this, but analyzing previous year question papers would also be highly beneficial from the point of view of JEE Mains Exam.

Please find the links below to get the detailed syllabus of all the three subjects:

JEE Main Physics Syllabus

JEE Main Chemistry Syllabus

JEE Main Math Syllabus

For all other details regarding JEE Mains Exam please stay tuned with eSaral.

Fill up JEE Main 2021 Application form soon for the January Attempt as the dates are running out!!!

Please find the links below to get the detailed syllabus of all the three subjects:

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Periodic Table
Get to learn all the formulae and important points of Chapter Periodic Table through this Mind Map. Download and share with your friends also.

#### Mind Map – 6

Mind Maps for NLM Revision – Class XI
Chemical Bonding
Get to learn all the formulae and important points of Chapter Chemical Bonding through this Mind Map. Download and share with your friends also.

#### Mind Map – 9

Atomic Structure Revision Video – Class 11, JEE, NEET
Prateek Gupta Sir helps you to revise Atomic Structure Class 11. He discusses how atoms are made up of protons, neutrons, and electrons. Elements are defined by the atomic number, the number of protons in the nucleus. The mass of an atom is determined by the total number of protons, neutrons and more in this revision video to help you with your Class 11 Chemistry for JEE or NEET preparation. You are advised to attempt questions after every lecture and attempt test after completion of chapters. This revision technique will help you solve JEE & NEET questions like a topper and get a better score. Prateek Gupta sir is eSaral Chemistry HoD. He has completed his B.Tech from IIT BOMBAY.

Atomic Structure
Get to learn all the formulae and important points of Chapter Atomic Structure through this Mind Map. Download and share with your friends also.

#### Mind Map – 2

Ferromagnetic Substance – Magnetism & Matters | Class 12 Physics Notes
Ferromagnetic substances The substances which when placed in a magnetic field are strongly magnetised in the direction of the magnetising field are called ferromagnetic substances. (1) Each atom of ferromagnetic material posseses permanent magnetic dipole moment before application of external magnetic field. (2) The unpaired electron of one atom interacts with electron of neighbouring atom through quantum mechanical exchange interaction and align in a common direction over a small volume of material. These small volume of uniform magnetisation are called domains which are small in size $\left(10^{-18} \mathrm{m}^{3}\right)$ but contain large number of atomic dipoles $\left(\sim 10^{11}\right)$ (3) In absence of external field the domains may be randomly oriented so that their resultant magnetic dipole moment in any direction is zero. (4) If presence of external field the magnetic dipole moment increases due to : (a) Displacement of boundaries of domains. Here size of domain with magnetic dipole moment parallel to applied field increases while for others it decreases. (b) Rotation of domains. Here domains rotate until their magnetic dipole moments are aligned parallel to direction of external field. (5) In presence of weaker fields displacement of boundaries takes place while in stronger fields rotation of domains takes place.             (6) When external magnetic field is removed substance is not totally demagnetised and some magnetism is left in specimen. (7) On heating it loses properly of ferromagnetism at certain temperature called Curie temperature and becomes paramagnetic. On cooling it becomes ferromagnetic again. The Curie temperature for iron is $770^{\circ} \mathrm{C}$. (8) Ferromagnetic substances are paramagnetic substances which acquire very high magnetism in external magnetic field. The two differ in the order of their intensity of magnetism. Properties of Diamagnetic, paramagnetic & Ferromagnetic Materials
Forces || Newton Laws Of motion || Class 11 Physics Notes

# FORCE

A force is a push or a pull. [1] since push or a pull has both magnitude and direction, so that force is a vector quantity. [2] Forces occur in pairs. If object A exerts a force on object $\mathrm{B},$ then $\mathrm{B}$ also exerts a force on $\mathrm{A}$. For example, when a bat strikes a ball the bat exerts a force on the ball, but the ball exerts a force on the bat also. [3] A force can cause an object to accelerate. If you kick a foot ball the ball’s velocity changes while your foot is in contact with it. [4] A force can deform an object. As you can see from fig. The ball when hits the floor, is deformed by the contact force exerted on it by the floor. The floor is deformed too, but since it is harder than the ball, its deformation is not as noticeable. Property $4,$ that a force causes an object to be deformed is often used to measure a force. This is the principle of a spring scale. A spring scale indicates the amount of the spring is stretched or compressed. The magnitude of this force is proportional to the amount of the spring is stretched (or compressed), and the direction of the force is along the spring. The scale may be calibrated to read in newton (N), units of force in SI system is newton and in $\mathrm{C} . \mathrm{G} . \mathrm{S} .$ system is dyne. 1 newton $=10^{5}$ dyne. $1 \mathrm{kg} \mathrm{wt}=\mathrm{g}$ newton. Dimensional formula of force is $\mathrm{M}$ L $\mathrm{T}^{-2}$ Dimensional formula of force is $\mathrm{M} \mathrm{L} \mathrm{T}^{-2}$

## TYPES OF FORCES

(a) Field Forces or Range Forces: These are the forces in which contact between two objects is not necessary. Ex. (i) Gravitational force between two bodies. (ii) Electrostatic force between two charges. (iii) Weight of a body. (b) Contact Forces: When a force involves direct contact between two bodies. One body exerts a force on another because of the contact between them. These forces originate with the atoms of each body – each atom exerts a force on its neighbour (which may be an atom of another body). A contact force can be maintained only if it does not exceed the interatomic forces within either of the bodies; otherwise the binding between atoms can be overcome and the string or the surface will split into pieces. Contact forces include the pushes or pulles with your hand. Ex. (i) Force of rope pulling on a block to which it is tied. (ii) Tension in string, and normal forces. (iii) Frictional force (c) Attachment to Another Body: Tension (T) in a string and spring force (F=kx) comes in this group.
JEE Main Guided Revision Test Series (For Jan 2021 Attempt) Syllabus & Schedule
Mind Maps For Complex Number – Class 11, 12 , JEE (Main + Advanced)
Get to learn all the formulae and important points of Chapter Complex Number through these Mind Maps. Download and share with your friends also.

#### Mind Map – 7

Mind Maps For Hyperbola – Class 11, 12 , JEE (Main + Advanced)
Get to learn all the formulae and important points of Chapter Hyperbola through these Mind Maps. Download and share with your friends also.

#### Mind Map – 7

Mind Maps For Principle Of Mathematical Induction – Class 11, 12 , JEE (Main + Advanced)
Get to learn all the formulae and important points of Chapter Principle Of Mathematical Induction through these Mind Maps. Download and share with your friends also.

#### Mind Map – 1

Mind Maps For Mathematical Reasoning – Class 11, 12 , JEE (Main + Advanced)
Get to learn all the formulae and important points of Chapter Mathematical Reasoning through these Mind Maps. Download and share with your friends also.

#### Mind Map – 2

Mind Maps For Statistics – Class 11, 12 , JEE (Main + Advanced)
Get to learn all the formulae and important points of Chapter Statistics through these Mind Maps. Download and share with your friends also.

#### Mind Map – 5

Mind Maps For Ellipse – Class 11, 12 , JEE (Main + Advanced)
Get to learn all the formulae and important points of Chapter Ellipse through these Mind Maps. Download and share with your friends also.

#### Mind Map – 8

Mind Maps For Parabola – Class 11, 12 , JEE (Main + Advanced)
Get to learn all the formulae and important points of Chapter Parabola through these Mind Maps. Download and share with your friends also.

#### Mind Map – 9

Mind Maps For Circle – Class 11, 12 , JEE (Main + Advanced)
Get to learn all the formulae and important points of Chapter Circle through these Mind Maps. Download and share with your friends also.