JEE Main Question Paper 2021 (OUT) for Feb 26, 25, 24- Download PDFs for All Shifts here

JEE Main 2021 Question Papers with Solutions- The unofficial JEE Main 2021 question paper for Feb 26 shift 1 and 2 along with answers is available here. Candidates can download the JEE Main question paper 2021 pdf for February 24 and 25 as released by Resonance and Reliable Institute Kota. Below are the memory-based questions for JEE Main 2021 B.Tech paper. National Testing Agency will release the JEE Main 2021 official question papers at jeemain.nta.nic.in. Official JEE Main question paper 2021 to be updated within a week. To download the IIT JEE Mains 2021 question paper with solutions, candidates need to enter their application number and password. Candidates preparing for JEE Main 2021 can download the JEE Main 2021 question papers with solutions. These IIT JEE Main 2021 question papers can also be treated as JEE Main 2021 sample papers. It helps the candidates to understand the JEE Main syllabus weightage in the exam. Read the article to download JEE Main 2021 question papers PDF and know-how JEE question papers can help in preparing for JEE Mains 2021.

JEE Main 2021 Question Papers with Solutions by Coaching Institutes ( February 24, 25 and 26)

Candidates can now download the JEE Mains 2021 question paper pdf for February 24 and 25 released by the coaching institutes like resonance and reliable Kota. JEE Main Feb 26 memory-based questions are also available.

JEE Mains 2021 Feb 26 Question Paper with Solutions

JEE Mains 2021 Feb 26 Shift 2 Question Paper with Solutions

Ques. The recoil speed of a hydrogen atom after it emits a photon in going from n=5 state to n=1 state is
Ans. 4.178m/sec

Ques. Match the following:

a)N₂ i) 3
b)F₂ ii) 2
c)O₂ iii) 1
d)Ne₂ iv) 0

Ques. Arrange in increasing order of electron gain enthalpy – O, S, Se, Te.
Ans. S>O>Se>Te

Ques. 2-4 DNP test is given by?
Ans. Aldehyde or Ketone

Ques. CH₂CH₂CH₂CH₃ – Hybridistaion of all carbon

Ques. Seven digit integer whose number is 10 by using 1, 2, 3. How many possibilities are there?
Ans. 77

Ques. 3, 5, 5, 4, 4, 4 – seven digit number are formed. Find the probability that the number is divisible by 2.
Ans. 3/7

Ques. Find the metal in the following ores –

• Calmine – Zn
• Cryolite – Na3AlF6
• Haemitite – Iron
• Bauxite – Al
• Malachite – Cu

Ques. Cerix ammounium nitrate test and CHCl3 / Alcoholic KOH test is for
Ans. alcohol & amine

Ques. A body starts from rest with acceleration a₁ till time t₁. Then body retarted with acceleration a₂ and t₂. And finally comes to rest. Then t₁/t₂ is ___
Ans. a₁/a₂

Ques. C / v =lamda. Then find the dimension of lamda, where c is capacity and V is voltage.

Ques. The recoil speed of a hydrogen atom after it emits a photon in going from n=5 state to n=1 state is
Ans. 4.178m/sec

Ques. Velocity versus displacement graphs looks _____
Ans. Eclipse

ANS - Na

ANS - Ellipse

JEE Mains 2021 Feb 26 Shift 1 Question Paper with Solutions

Ques. sin-¹x/a = cos-¹x/b = tan-1y/c. find the value of πc/a+b

Ques. Sigma n= 1 to 100 int of e^x-[x] from 0 to π/2

Ques. Symmetric matrix of order 2×2 sum of diagnol element of A² = 1, then the possible number of matrix is
Ans. 6

Ques. Find the sum of the series: (³⁰C₀) x 30 + (³⁰C₁) x 29 + …….. + ³⁰C₂₉ x 1

Ques. Possible integral value of K if 3sinx + 4cosx = k+1
Ans. 6

Ques. If λ₁ and λ₂ are wavelength third member of ryman and 1st no. of paschen series respectively. The value of λ₁:λ₂ is
Ans. 7:135

Ques. Compound A is use as stn oxidising agent is amphoteric in nature. It is the part of load storage battery. Compound A is
Ans. PbO2

Ques. Orbital having 2 radial and 2 angular nodes.
Ans. 5d

Ques. In YDSE two slits are d = 2mm, D = 1m, α = 500m, β = ?
Ans. 0.25mm

Ques. An attenating current is given by equation: i2i1sinwt + i2coswt. The rms current win are –

Ques. Which lanthonoid do not form MnO2?
Ans. Yd

Ques. Hall and Heroult’s process is used for
Ans. Extraction for Al

Ques. Structure of Neoprene

Check here JEE Main 2021 Paper 1 Question Paper with Solution February 26 Shift 1

JEE Mains 2021 Feb 25 Question Paper with Solutions

JEE Mains 2021 Feb 24 Question Paper with Solutions

JEE Main 2021 February Questions by Careers 360

JEE Main Question Paper 2021 - Memory-Based Questions

Candidates can find below the memory-based questions of JEE Main 2021 February session exam.

JEE Main 2021 Paper 1 Memory Based questions

Here we have compiled the memory-based questions of the JEE Main 2021 paper 1. Candidates can find the memory-based questions for all the shifts of JEE Main paper 1 2021 here.

JEE Mains 25 Feb 2021 shift 2 questions - Memory Based

Ques. Which molecule does not has same bond length?
Ans. SF4

Ques. Statement 1: Rotational motion of diamolecular follows Maxwell distribution
Statement 2: There are equal components of rotational and translational of diamolecular molecules

Ques. Which of the following is used in light emitting diode?

Ques. Purification method of Indium is ______
Ans. Zone-refining

Ques. Which is the flux passing the shaded region?
Ans. 9/24ε₀

Ques. Structure of a-Maltose

Ques. Which of the following is Psuedo Alum?
Ans. MnSO4.Al2(SO4)3.24H20

Ques. What is the composition of German Silver?
Ans. 50% Cu, 19%Zn, 30%Ni

Ques. 1kg of water at 0 degrees Celsius is heated to 100 degrees Celsius. Calculate the charge in entropy.
Ans. 1.31 x 10³ J/K

JEE Mains 25 Feb 2021 questions - Memory Based

• Ques. The monomer of Buna S - Answer 1, 3 B & S
• Ques. Circular coil of wire consisting of 100 turns each of radius 8.0 cm carries a current of 0.40 A. What is the magnitude of the bat the content of the coil? Answer 32
• Ques. What is focal length of convex lens when image size is same when object placed at 10 cm or 20 cm?
  
  
• Ques. For a polytropic process whose equation is given by pvn = constant, x is not equal to 0, 1 or ⋎. Which is true? Answer - Molar Seat Capacity (other options given in the question are also correct)
• Ques. A charged solid conductor having a cavity in the figure. What is the charge induced on the outer surface?
• Ques-Which of the linkage is present in Glucose and Galactose present in Lactose? Glycosidic linkage

JEE Main 2021 Questions with Solutions - Physics (Feb 25)

JEE Main 2021 Questions with Solutions - Maths (Feb 25)

JEE Main 2021 Questions with Solutions - Chemistry (Feb 25)

JEE Mains 24 Feb 2021 question paper - Shift 2
Q1.

Q2.

Q3. In the contact process, the impurities of arsenic are removed by ______

Ans. Fe(OH)3

Q4. The tendency to form complex is maximum in _______

Ans. Transition element

Q5. What is the shape of I3- ion?

Ans. Linear

JEE Main 2021 February 24 Shift 1 Questions

Q1. What will be the energy if you increase lambda

Q2. If a dice is rolled n times. If the probability of getting even number and odd number is equal then find n.

Q3. Two capacitors are given. Find the series and parallel resistant and their ratio.

Q4. Find the work done by the cyclin process.

Q5. Calculate the ionization energy of all third period elements.

Q6. An astronaut has left the international space station to test a new space scooter. His partner measures the fall velocity changes which take place in 10s interval. Find the magnitude and direction of average acceleration at the beginning of 10 sec interval, the astronaut is moving towards the x-axis in 10m/sec and at the end is 10 sec. He is moving towards the -ve axis at 5m/sec.

Q7. If there is degradation of vegetation, then what effect is caused in the environment from gas released?

Q8. What are the major components of gun metal?

Ans. Copper 88%

Q9. What does anaerobic respiration cause?

Ans. Global warming

Q10. Which vitamin deficiency causes sterility in males?

Ans. Vitamin E

Q11. What is the coordination no. of b.c.c?

Ans. 8

Q12.

Q13.

JEE Main Paper 2 Memory Based questions

JEE Main 2021 Mathematics Question

• Ques- 1- If A+B+C = 180 degrees. Then, find tanA+tanb+tanC =? Ans tanA tabB tanC 
• Ques- 2- If Z1 and Z2 is a unimodular complex number that satisfy Z1 2+Z2 2=4. Then (Z1+Z1) 2+ (Z2+Z2) 2 is equal to? Ans- 12 
• Ques- 3- Evaluate (elogx + sinx )cosxdx  Find the equation of the normal to the curve x2 = 4y which passes through the point (1,2). Ans. x+y = 3 
• Ques- 4- The DE representing the family of curves y2 (2c + x2021 ) where c is the +ve parameter is of? Ans. Order 1
• Ques- 5- Given x = cy+bx, y = az+cx, z = bx+ay where x, y and z are not all zero, then a2 + b2 + c2 + 2ab = Ans. 1
• Ques- 6- The minimum number of times a fair coin needs to be tossed so that the probability of getting at least two heads is at least 0.96 is ____ Ans. 8
• Ques - 7 - If f:(1, ∞) —> (2,∞) is given by f(n) =n+1, the f-1 (n) equals? Ans. x+√x2-4 / 2

JEE Main 2021 General Aptitude Question

• Ques- 1- Who was the designer of the world trade center? - Ans. Minoru Yamasaki, Emery Roth 
• Ques- 2- A person writes letters to 6 friends and addresses a corresponding envelope. The number of ways in which 5 letters can be placed in the wrong envelope is?
• Ques 3 - Who is the write of god of small things?
• Ques 4 - What is the full form of NHAI?
• Ques 5 - What is the new name of Planning commission?
• Ques 6 - When was special economic zone launched ?
• Ques 7 - Who designed IIM Ahmedabad?
• Ques 8 - What is the size of A2 sheet in mm?
• Ques 9 - Who was the first Indian architect to win Pritzker Prize?

JEE Main Question Paper with Solutions 2020, 2019, 2018

Every aspirant must check the previous year JEE Main question papers to understand the nature of the exam. Solve JEE Main previous year question papers to understand the trend of questions and topics asked in past exams in a better way. Moreover, JEE Main question paper with solution helps in listing out important topics based on weightage and plan their preparation accordingly. Students can find below the previous year question papers of JEE Main.

JEE Main 2020 Question Paper with Solutions - September Session

JEE Main Question Paper and Answer Key (Official)- January 2020 Session

JEE Main 2020 Question Paper (Unofficial)- January Session

JEE Main Official Question Papers and Solutions 2019

NTA has released the JEE Main official question paper for each shift. Students can find below the links to download all sets of JEE Main question papers.

Shift-Wise JEE Main 2019 Question Paper, Answer Keys and Solutions - January

JEE Main 2019 Question Papers, Answer Keys and Solutions - April

Previous Year JEE Main Question Papers - Pen and Paper Exam

JEE Main Question Papers from Previous Years - Computer Based Test

JEE Main 2021 Question Papers by Coaching Centres

Several coaching institutes release JEE Main questions papers 2021 with solutions on the same day of exam based on students' memory. So, the students can check the JEE Main 2021 question papers as well as answer keys even before the official release. As the JEE Main exam is a computer based test from 2019 onwards, the official question papers of JEE Main are released by National Testing Agency, which is the official exam conducting authority shortly after the exam concludes. Students can find below the JEE Main previous year question papers to practise for the upcoming exam.

JEE Main 2020 Question Paper with Solutions Download (Memory Based Questions by Careers360)

JEE Main 2020 Question Papers and Answer Key by Resonance (April/September Exam)

JEE Main 2019 Question Papers by Career Point - January Session

JEE Main Question Papers by Career Point - April 2019 Session

JEE Main Question Papers by Resonance - January 2019 Session

JEE Main 2019 Question Papers and Solutions by FIITJEE

JEE Main 2019 Question Papers by Allen Kota-January Session

JEE Main 2019 Question Paper for April Session

JEE Main 2019 Question Papers by Vidyamandir Classes

JEE Main 2019 Question Papers by Sri Chaitanya

JEE Main 2021 Question Papers with Solutions

Students will be able download the JEE Main question paper 2021 from the official website. JEE Main 2021 question papers will be available after the exam along with the answer key. The question paper of JEE Main 2021 with solutions will be updated here as soon as it will be released by the authorities.

How to download JEE Main Question Papers 2021?

NTA will release the question paper and answer key in online mode. The step by step procedure to download JEE Main 2021 question paper is given below-

• Visit NTA JEE Main 2021 website- jeemain.nta.ac.in

• Click on the “JEE Main Question Paper and answer key’ link.

• Enter application number and password.

• JEE Main Question Paper along with answer key will be displayed on the screen.

• Download the JEE Main 2021 question paper and answer key as a pdf file.

Candidates must note that they will be able to download the JEE Main question paper 2021 only for the shift they appeared for. JEE Main question papers for all the shifts of the exam will be updated here by careers360 and candidates can simply click on the links to download the pdf files.

Benefits of Practicing JEE Main Question Paper 2021

Students must practise with the help of the previous year JEE Main question papers and sample papers. The advantages of preparing with the help of the JEE Main is that one can know the exam pattern, time taken to answer each question as well as difficulty levels of the exam. Some benefits of practising with the JEE Main papers

• Practicing more and more question papers, candidates are able to understand the JEE Main exam pattern well and they get better clarity on the marking scheme.

• A better understanding of the types of questions asked in exam comes with regular solving of JEE Main question papers

• With constant and regular use of the question papers of JEE Main, a good idea of the JEE Main syllabus weightage can be gathered. Students can know which topics from the JEE Main syllabus frequently feature in the entrance exam and which have a low occurrence.

• With every JEE Main question paper solved, candidates can analyse their preparation to improvise with revision.

• With regular practice by solving JEE Main papers, students can get to know what their strong and weak areas are. They can build on their JEE Main Preparation with this.

• One factor that plays an important role in successfully cracking the exam is time management. Constant practice with each JEE Main question paper allows any student to be adept at managing the time in the actual exam. The other aspect that improves is speed of answering the questions.

JEE Main September 2020 - Memory Based Question Types from Students

Candidates can check the memory-based JEE Main September question paper here for different shifts of the exam.

JEE Main 2020 September 3 Session (Morning Shift)

• Let the data 4, 10, x, y, 27 be in increasing order. If the median of data is 18 and its mean deviation about mean is 7.6, then what is the mean of this data?

• If a variable place in 3-0 space moves in such a way that the sum of its intercepts on the x and y-axis exceeds, the reciprocal of its intercept on the z-axis is by 2, then all such planes will pass through which point?

• A bag contains 6 red balls and 10 orange balls. 3 balls are drawn from it one by one randomly without any replacement. If the third ball drawn is red, then the probability that the first two balls are green is:

• A block of mass m moving with v velocity on a frictionless surface collides with the rod of mass M= 2Kg, length=1m as shown in the figure. What is the value of theta( in degree) after collision

• What does Thermal power plants cause?

• If the first term is 3 and the sum of the first 25 terms is equal to the sum of the next 15 terms then find the common difference.

• Number of P=o, P-oh, P-o-p bond in pyrophosphoric acid?

• Henry constant of alpha beta gamma delta was 50 0.05 2×10^-5 19. Which is having most of the solubility?

• Let the ellipse, x2 / a2 , y2 / b2 = 1. If a > b pass through the point (2, 3) and have eccentricity equal to ½, then what is the equation of the normal to the ellipse to (2,3)?

JEE Main 2020 September 2 Session (Both Shifts)

Chemistry

• If 1 mol CrCl3⋅6H2O is treated with excess of AgNO3, 3 mol of AgCl are the resultant obtained. What is the formula of the Complex?

• Which of the following alkyl halides is best suited for this reaction through SN1 mechanism?

• What does sucrose on hydrolysis give?

• Questions based on polarity (based on structure).

• Questions from Triglyceride

Physics

• Mx and My denote the atomic masses of the parent and the daughter nuclei respectively in a radioactive decay. The Q-value for a β– decay is Q1 and that for a β+ decay is Q2. If me denotes the mass of an electron. (Candidate needed to choose the correct statement from the 4 statements given as options).

• Which of the following combinations should be selected for better tuning of an LCR circuit used for communication? (Different Values of R, L & C were given in the options and candidates had to choose the correct one).

• Two crossed Polaroids A and B are placed in the path of a light beam. In between these, a third Polaroid C is placed whose polarization axis makes an angle θ with the polarization axis of the Polaroid A. If Io be the intensity of light coming out of the Polaroid A then, what is the intensity of light coming out of the Polaroid B?

• The ionization energy of an electron in a hydrogen atom in its ground state is 13.6 eV. The atoms are excited to higher energy levels to emit radiations of wavelengths. Maximum wave- length of emitted radiation corresponds to the transition between?

Mathematics

• Find the length and the foot of perpendicular from the point (1, 3/2, 2) to the plane 2x – 2y + 4z + 5 = 0.

• Calculating points of local maxima and local minima of the function

• f (x) = - (3/4)x4 - 8x3 - (45/2)x2 + 105

• sin–16x + sin–16 √3 x = - π/2, find x.

JEE Main Question Papers - Students Reviews

The questions and topics which are covered in the exam vary year over year. However, students find the JEE Main question papers helpful in a lot of ways from understanding the exam pattern to knowing the type of questions asked and difficulty level of the exam.

As per the students reviews who appeared for the exam in 2020, JEE Main questions were moderately difficult in terms of difficulty level. In particular, Physics was the toughest section with most questions being analytical thereby requiring lengthy calculations and assumptions. Mathematics was moderate and Chemistry was perceived as the easiest.

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