Aspirants of JEE Main exam 2020 April/September session which is all set to be conducted from September 1 - September 6, 2020 can check below for JEE Main 2020 Memory Based Questions to get an idea about the exam and the difficulty level for the next day. Note that NTA shall release the question papers and answer keys soon. The below are only the questions recorded from the memory of the students who have finished their test.

6th September 2020 - Review + Memory Based Questions Slot 1

The difficulty level of Numerical problems in Physics section was a bit high.

- Maths section was a bit hard as compared to other sections.
- Numerical problems in the Physics section were time-consuming.
- Many questions were similar to the questions given in NCERT. Textbooks & NCERT Exemplar of Class 11 & Class 12.
- As usual, most of the questions in the Chemistry section were conceptual.
- Overall easy to moderate questions were asked in Physics, Chemistry & Maths section.

6th September 2020 - Review + Memory Based Questions Slot 2

Maths section was a bit hard as compared to other sections.

- Numerical problems in the Physics section were time-consuming.
- Many questions were similar to the questions given in NCERT. Textbooks & NCERT Exemplar of Class 11 & Class 12.
- As usual, most of the questions in the Chemistry section were conceptual.
- The difficulty level of Numerical problems in the Physics section was a bit high.
- Overall easy to moderate questions were asked in the Physics, Chemistry & Maths section.

5th September 2020 - Review + Memory Based Questions Slot 1

Forenoon Session Physics Questions
Voltage Reange of Galvanometer of Reristance R is 0 to 1v. When it's range increases upto 2v, for this the additional resistance required in series will be:

(1) R (2) 2R (3) 3R (4) 4R

Ans: (1)
2. In a Photoelectric effect experiment potential difference between plates increases keeping incident light on cathode plate remains unchanged which of the following is correct about saturation current:

(1) Increases (2) Decreases (3) Remains same (4) First increases then decreases

Ans: (3)

Forenoon Session Chemistry Questions




Forenoon Session Maths Questions

4th September 2020 - Review + Memory Based Questions Slot 1

Overall: Moderate difficulty Physics: Difficult Maths: Moderate difficulty level Chemistry:

• Easy questions were asked
• Most of the questions were from NCERT

Shift 2 JEE Main analysis 4 September 2020 Overall: 75 questions (60 MCQs and 15 numerical based) Physics: 25 questions (20 MCQs and 5 numerical based) Maths: 25 questions (20 MCQs and 5 numerical based) Chemistry: 25 questions (20 MCQs and 5 numerical based)
Forenoon Session Chemistry Questions
1. Elements with atomic number 101 and 104 belongs respectively to: a. Actionoids and Group 4 b. Actionoids and Group 6 c. Group 11 and Group 6 d. Group 4 and Group 6
2. Find total possible number of isomers for the complex [Pt(en)(No2)2]. a. 1 b. 3 c. 2 d. 4
3. Select correct set of the following statements: a. In the metallurgy of iron, lime stone is converted to CaO. b. Silver is extracted as anionic complex. c. Nickel is purified by mond's process d. Zr & Ti are purified by Van Arkel process.

1. a,b,d 2. a,c 3. b,c,d 4. a,b,c,d

4. In wich region lines of Balmer series lie.

1. Visible 2. Infrared 3. Ultra Violet 4. Radio wave

5. A reaction 75% complete in 90 min, find the tie (in min) taken to complete 60% of reaction [Given log 2 = 0.3, log 2.5 = 0.4]
Forenoon Session Physics Questions




Forenoon Session Maths Questions

3rd September 2020 - Review + Memory Based Questions

2nd September 2020 - Memory Based Questions

Chemistry
1. When 1 mol CrCl3⋅6H2O is treated with excess of AgNO3, 3 mol of AgCl are obtained. The formula of the complex is ___________ ⇒ Benzylamine may be alkylated as shown in the following equation : C6H5CH2NH2 + R—X → C6H5CH2NHR
2. Which of the following alkylhalides is best suited for this reaction through SN1 mechanism?
3. What does sucrose on hydrolysis gives?
4. Questions based on polarity (based on structure).
5. A question based on Triglyceride
6. A question based on Pyrophosphoric acid
7. A question based on Glycerol
8. A question based on Ethinylestradiol

Physics
1. 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. (Several statements were given and candidates need to choose the correct one).
2. Which of the following combinations should be selected for better tuning of an LCR circuit used for communication? (Value of R, L & C were provided in the option).
3. 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 if the Polaroid A then, the intensity of light coming out of the Polaroid B is
4. The ionization energy of electron in 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
Maths
1. 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
2. sin–16x + sin–16 √3 x = - π/2, find x.

1st September 2020 - Memory Based Questions

Maths 1. 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
2. sin–16x + sin–16 √3 x = - π/2
Chemistry 1. When 1 mol CrCl3⋅6H2O is treated with excess of AgNO3, 3 mol of AgCl are obtained. The formula of the complex is ___________ ⇒ Benzyl amine may be alkylated as shown in the following equation: C6H5CH2NH2 + R—X → C6H5CH2NHR
2. Which of the following alkyl halides is best suited for this reaction through SN1 mechanism?
Physics 1. 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. (Several statements were given and candidates need to choose the correct one).
2. Which of the following combinations should be selected for better tuning of an LCR circuit used for communication? (Value of R, L & C were provided in the option)

1st September 2020 - Memory Based Questions - B.Arch

1. Where is Notre Dame Cathedral located? Answer: Paris, France
2. Where does the President of USA live? Answer: The White House
3. A thin liquid film formed between a U-shaped wire and a light slider supports a weight of 1.5x 10-2 N. The length of the slider is 30 cm and its weight negligible. The surface tension of the liquid film is - Answer: 0.025
4. A boy can throw a stone up to a maximum height of 10m. The maximum horizontal distance that the boy can throw the same stone will be -

A. 20m B. 20?2m C. 10m D. 10?2m

Answer: 20m
5. An equation of a plane parallel to the plane x-2y+2z-5=0 and at a unit distance from the origin is:

A. x-2y+2z-5=0 B. x-2y+2z-3=0 C. x-2y+2z+1=0 D. x-2y+2z-1=0

Answer: x-2y+2z-3=0
6. If the line 2x=y=k passes through the point which divides the line segment joining the points (1,1) and (2,4) in the ratio 3:2, then k equals: A. 11/15 B. 29/5 C. 5 D. 6 Answer: 6
7. Who designed IIM? Answer: Louis Kahn

Topics Asked

Maths: Integration, Area-bounded, Differentiation Aptitude: Most of the questions were related to the top view Drawing: Drawing building, making drawing using a rectangle or triangle, drawing a garden, etc

Student's Reaction

1. Some students said that masks made them feel suffocated after the first hour of the exam. 2. The arrangements inside the center were good, students reported no problems. 3. The paper was easier than last year. 4. Shift 2 paper was overall moderate, however, students said that they felt a little distracted as they have the fear of COVID-19 in the back of the mind.

1st September 2020 - Memory Based Questions - B.Planning

Aptitude
1. Which color reflects the maximum light? Answer: White
2. Downing street is whose residence? Answer: Downing Street is the official residence of the First Lord of the Treasury, the Prime Minister of the United Kingdom.
3. Which colour represents equality? Answer: White
4. Bara Imambra is located where? Answer: Lucknow
5. Where is badrinath located? Uttarakhand
6. What does shaft represent?
7. Why is beam used in buildings? Answer: They are often used as critical support trusses, or the main framework, in buildings.
8. Free fall of an object in vacuum in the case of motion with
9. Where is leaning tower located? Answer: Italy
10. Which colour indicates love and romance? Answer: Red
11. In which state golden temple is located? Answer: Punjab
Planning
1. Draw a highway road diagram with car and truck in opposite direction
2. Who designed the Punjab and Haryana high court? Answer: Le Corbusier
3. Imagine you friends face and draw
Maths
1. a1 a2 a3 a4 a5 are in ap. Sum of the terms is equal to 30.product of the terms is equal to 3840. Find product of first and last term.
2. F(x+y)=f(x).f(y) x,y€N f(1)=2 then sigma k=1 to 50 f(4+k)=
3. If pth,qth,rth terms of a G.P. are in G.P. then p,q,r are in
4. Given 30 observation then 10 observations are 1/2-d, other 10 observations are d and remaining 10 observations are 1/2+d, the variance is given 4/3
5. -2/3 +2/9+10/81..... Infinity. Find the sum of the series.