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2021 · Shift 1

57 questions · JEE Advanced
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  4. /2021 · Shift 1

2021 · Shift 1

57 questions · JEE Advanced

Chemistry19 questionsMathematics19 questionsPhysics19 questions
HydrocarbonsChemistry · 3 questionsBasics of Organic ChemistryChemistry · 2 questionsSolid StateChemistry · 1 questionsCoordination CompoundsChemistry · 2 questionsThermodynamicsChemistry · 3 questionsSolutionsChemistry · 2 questionsBiomoleculesChemistry · 1 questionsCompounds Containing NitrogenChemistry · 1 questionsSurface ChemistryChemistry · 1 questionsIsolation of ElementsChemistry · 2 questionsAldehydes Ketones and Carboxylic AcidsChemistry · 1 questionsCircleMathematics · 1 questionsApplication of IntegrationMathematics · 1 questionsProbabilityMathematics · 4 questionsComplex NumbersMathematics · 2 questionsMatrices and DeterminantsMathematics · 4 questionsStraight Lines and Pair of Straight LinesMathematics · 2 questionsLimits Continuity and DifferentiabilityMathematics · 1 questionsSequences and SeriesMathematics · 1 questionsQuadratic Equation and InequalitiesMathematics · 1 questionsProperties of TriangleMathematics · 1 questionsVector AlgebraMathematics · 1 questionsUnits and MeasurementsPhysics · 1 questionsHeat and ThermodynamicsPhysics · 2 questionsGeometrical OpticsPhysics · 2 questionsAtoms and NucleiPhysics · 2 questionsLaws of MotionPhysics · 2 questionsCapacitorPhysics · 2 questionsElectrostaticsPhysics · 2 questionsRotational MotionPhysics · 2 questionsImpulse and MomentumPhysics · 1 questionsMagnetismPhysics · 2 questionsProperties of MatterPhysics · 1 questions
  1. Q1.The major product formed in the following reaction of Includes diagram
    Chemistry · Hydrocarbons · MCQ
  2. Q2.Among the following, the conformation that corresponds to the most stable conformation of meso-butane-2,3-diol is
    Chemistry · Basics of Organic Chemistry · MCQ
  3. Q3.For the given close packed structure of a salt made of cation X and anion Y shown below (ions of only one face are shown for clarity), the packing fraction is approximately (packing fraction = 100packingefficiency​) Includes diagram
    Chemistry · Solid State · MCQ
  4. Q4.The calculated spin only magnetic moments of [Cr(NH3​)6​]3+ and [CuF6​]3− in BM, respectively, are (Atomic numbers of Cr and Cu are 24 and 29, respectively)
    Chemistry · Coordination Compounds · MCQ
  5. Q5.For the following reaction scheme, percentage yields are given along the arrow: x g and y g are mass of R and U, respectively. (Use : Molar mass (in g mol − 1) of H, C and O as 1, 12 and 16, respectively) The value of x is ​… Includes diagram
    Chemistry · Hydrocarbons · Numerical
  6. Q6.For the following reaction scheme, percentage yields are given along the arrow: x g and y g are mass of R and U, respectively. (Use : Molar mass (in g mol − 1) of H, C and O as 1, 12 and 16, respectively)The value of y is ​… Includes diagram
    Chemistry · Hydrocarbons · Numerical
  7. Q7.For the reaction, X(s) ⇌ Y(s) + Z(g), the plot of lnpθpz​ versus T104​ is given below (in solid line), where pz is the pressure (in bar) of the gas Z at temperature T and pθ… Includes diagram
    Chemistry · Thermodynamics · Numerical
  8. Q8.For the reaction, X(s) ⇌ Y(s) + Z(g), the plot of lnpθpz​ versus T104​ is given below (in solid line), where pz is the pressure (in bar) of the gas Z at temperature T and pθ… Includes diagram
    Chemistry · Thermodynamics · Numerical
  9. Q9.The boiling point of water in a 0.1 molal silver nitrate solution (solution A) is x ∘ C. To this solution A, an equal volume of 0.1 molal aqueous barium chloride solution is added to make a new solution B. The difference in the…
    Chemistry · Solutions · Numerical
  10. Q10.The boiling point of water in a 0.1 molal silver nitrate solution (solution A) is x ∘ C. To this solution A, an equal volume of 0.1 molal aqueous barium chloride solution is added to make a new solution B. The difference in the…
    Chemistry · Solutions · Numerical
  11. Q11.Given : The compound(s), which on reaction with HNO3​ will give the product having degree of rotation, [α]D = − 52.7 ∘ is (are) Includes diagram
    Chemistry · Biomolecules · Multiple correct
  12. Q12.The reaction of Q with PhSNa yields an organic compound (major product) that gives positive Carius test on treatment with Na2​O2​ followed by addition of BaCl2​. The correct option(s) for Q is (are)
    Chemistry · Compounds Containing Nitrogen · Multiple correct
  13. Q13.The correct statement(s) related to colloids is (are)
    Chemistry · Surface Chemistry · Multiple correct
  14. Q14.An ideal gas undergoes a reversible isothermal expansion from state I to state II followed by a reversible adiabatic expansion from state II to state III. The correct plot(s) representing the changes from state I to state III is (are) (p :…
    Chemistry · Thermodynamics · Multiple correct
  15. Q15.The correct statement(s) related to the metal extraction processes is (are) :
    Chemistry · Isolation of Elements · Multiple correct
  16. Q16.A mixture of two salts is used to prepare a solution S, which gives the following results : The correct option(s) for the salt mixture is (are) Includes diagram
    Chemistry · Isolation of Elements · Multiple correct
  17. Q17.The maximum number of possible isomers (including stereoisomers) which may be formed on mono-bromination of 1-methylcyclohex-1-ene using Br2​ and UV light is ​.
    Chemistry · Basics of Organic Chemistry · Numerical
  18. Q18.In the reaction given below, the total number of atoms having sp2 hybridization in the major product P is ​. Includes diagram
    Chemistry · Aldehydes Ketones and Carboxylic Acids · Numerical
  19. Q19.The total number of possible isomers for [Pt(NH3​)4​Cl2​]Br2 is ​.
    Chemistry · Coordination Compounds · Numerical
  20. Q20.Consider a triangle Δ whose two sides lie on the x-axis and the line x + y + 1 = 0. If the orthocenter of Δ is (1, 1), then the equation of the circle passing through the vertices of the triangle Δ is
    Mathematics · Circle · MCQ
  21. Q21.The area of the region {(x,y):0≤x≤49​,​0≤y≤1,​x≥3y,​x+y≥2​} is
    Mathematics · Application of Integration · MCQ
  22. Q22.Consider three sets E1 = {1, 2, 3}, F1 = {1, 3, 4} and G1 = {2, 3, 4, 5}. Two elements are chosen at random, without replacement, from the set E1, and let S1 denote the set of these chosen elements. Let E2 = E1 − S1 and F2 = F1 ∪…
    Mathematics · Probability · MCQ
  23. Q23.Let θ1​,θ2​,…,θ10​ be positive valued angles (in radian) such that θ1​+θ2​+⋯+θ10​=2π. Define the complex numbers z1​=eiθ1​,zk​=zk−1​eiθk​ for $k=2,3, \ldots,…
    Mathematics · Complex Numbers · MCQ
  24. Q24.Three numbers are chosen at random, one after another with replacement, from the set S = {1, 2, 3, ......, 100}. Let p1 be the probability that the maximum of chosen numbers is at least 81 and p2 be the probability that the minimum of…
    Mathematics · Probability · Numerical
  25. Q25.Three numbers are chosen at random, one after another with replacement, from the set S = {1, 2, 3, ......, 100}. Let p1 be the probability that the maximum of chosen numbers is at least 81 and p2 be the probability that the minimum of…
    Mathematics · Probability · Numerical
  26. Q26.Let α, β and γ be real numbers such that the system of linear equations x + 2y + 3z =α 4x + 5y + 6z =β 7x + 8y + 9z =γ− 1 is consistent. Let | M | represent the determinant of the matrix M=​αβ−1​210​γ01​​…
    Mathematics · Matrices and Determinants · Numerical
  27. Q27.Let α, β and γ be real numbers such that the system of linear equations x + 2y + 3z =α 4x + 5y + 6z =β 7x + 8y + 9z =γ− 1 is consistent. Let | M | represent the determinant of the matrix M=​αβ−1​210​γ01​​…
    Mathematics · Matrices and Determinants · Numerical
  28. Q28.Consider the lines L1 and L2 defined by L1​:x2​+y−1=0 and L2​:x2​−y+1=0 For a fixed constant λ, let C be the locus of a point P such that the product of the distance of P from L1 and the distance of P…
    Mathematics · Straight Lines and Pair of Straight Lines · Numerical
  29. Q29.Consider the lines L1 and L2 defined by L1​:x2​+y−1=0 and L2​:x2​−y+1=0 For a fixed constant λ, let C be the locus of a point P such that the product of the distance of P from L1 and the distance of P…
    Mathematics · Straight Lines and Pair of Straight Lines · Numerical
  30. Q30.For any 3 × 3 matrix M, let | M | denote the determinant of M. Let E=​128​2313​3418​​, P=​100​001​010​​…
    Mathematics · Matrices and Determinants · Multiple correct
  31. Q31.Let f : R → R be defined by f(x)=x2+2x+4x2−3x−6​ Then which of the following statements is (are) TRUE?
    Mathematics · Limits Continuity and Differentiability · Multiple correct
  32. Q32.Let E, F and G be three events having probabilities P(E)=81​, P(F)=61​ and P(G)=41​, and let P (E ∩ F ∩ G) =101​. For any event H, if Hc denotes the complement, then which of the…
    Mathematics · Probability · Multiple correct
  33. Q33.For any 3 × 3 matrix M, let |M| denote the determinant of M. Let I be the 3 × 3 identity matrix. Let E and F be two 3 × 3 matrices such that (I − EF) is invertible. If G = (I − EF) − 1, then which of the…
    Mathematics · Matrices and Determinants · Multiple correct
  34. Q34.For any positive integer n, let Sn : (0, ∞) → R be defined by Sn​(x)=∑olimitsk=1n​cot−1(x1+k(k+1)x2​), where for any x ∈ R, cot−1(x)∈(0,π) and tan−1(x)∈(−2π​,2π​)…
    Mathematics · Sequences and Series · Multiple correct
  35. Q35.For any complex number w = c + id, let arg(w)∈(−π,π], where i=−1​. Let α and β be real numbers such that for all complex numbers z = x + iy satisfying arg(z+βz+α​)=4π​…
    Mathematics · Complex Numbers · Multiple correct
  36. Q36.For x ∈ R, the number of real roots of the equation 3x2−4​x2−1​+x−1=0 is ​.
    Mathematics · Quadratic Equation and Inequalities · Numerical
  37. Q37.In a triangle ABC, let AB = 23​, BC = 3 and CA = 4. Then the value of cotBcotA+cotC​ is ​.
    Mathematics · Properties of Triangle · Numerical
  38. Q38.Let u, v and w be vectors in three-dimensional space, where u and v are unit vectors which are not perpendicular to each other and $\overrightarrow…
    Mathematics · Vector Algebra · Numerical
  39. Q39.The smallest division on the main scale of a Vernier calipers is 0.1 cm. Ten divisions of the Vernier scale correspond to nine divisions of the main scale. The figure below on the left shows the reading of this calipers with no gap between… Includes diagram
    Physics · Units and Measurements · MCQ
  40. Q40.An ideal gas undergoes a four step cycle as shown in the P-V diagram below. During this cycle, heat is absorbed by the gas in Includes diagram
    Physics · Heat and Thermodynamics · MCQ
  41. Q41.An extended object is placed at point O, 10 cm in front of a convex lens L1 and a concave lens L2 is placed 10 cm behind it, as shown in the figure. The radii of curvature of all the curved surfaces in both the lenses ae 20 cm. The… Includes diagram
    Physics · Geometrical Optics · MCQ
  42. Q42.A heavy nucleus Q of half-life 20 minutes undergoes alpha-decay with probability of 60% and beta-decay with probability of 40%. Initially, the number of Q nuclei is 1000. The number of alpha-decays of Q in the first one hour is
    Physics · Atoms and Nuclei · MCQ
  43. Q43.A projectile is thrown from a point O on the ground at an angle 45 ∘ from the vertical and with a speed 5 2​ m/s. The projectile at the highest point of its trajectory splits into two equal parts. One part falls vertically…
    Physics · Laws of Motion · Numerical
  44. Q44.A projectile is thrown from a point O on the ground at an angle 45 ∘ from the vertical and with a speed 5 2​ m/s. The projectile at the highest point of its trajectory splits into two equal parts. One part falls vertically…
    Physics · Laws of Motion · Numerical
  45. Q45.In the circuit shown below, the switch S is connected to position P for a long time so that the charge on the capacitor becomes q1 μ C. Then S is switched to position Q. After a long time, the charge on the capacitor is q2 μ C. The… Includes diagram
    Physics · Capacitor · Numerical
  46. Q46.In the circuit shown below, the switch S is connected to position P for a long time so that the charge on the capacitor becomes q1 μ C. Then S is switched to position Q. After a long time, the charge on the capacitor is q2 μ C. The… Includes diagram
    Physics · Capacitor · Numerical
  47. Q47.Two point charges − Q and +Q/3​ are placed in the xy-plane at the origin (0, 0) and a point (2, 0), respectively, as shown in the figure. This results in an equipotential circle of radius R and potential V = 0 in the xy-plane with… Includes diagram
    Physics · Electrostatics · Numerical
  48. Q48.Two point charges − Q and +Q/3​ are placed in the xy-plane at the origin (0, 0) and a point (2, 0), respectively, as shown in the figure. This results in an equipotential circle of radius R and potential V = 0 in the xy-plane with… Includes diagram
    Physics · Electrostatics · Numerical
  49. Q49.A horizontal force F is applied at the center of mass of a cylindrical object of mass m and radius R, perpendicular to its axis as shown in the figure. The coefficient of friction between the object and the ground is μ. The center of… Includes diagram
    Physics · Rotational Motion · Multiple correct
  50. Q50.A wide slab consisting of two media of refractive indices n1 and n2 is placed in air as shown in the figure. A ray of light is incident from medium n1 to n2 at an angle θ, where sin θ is slightly larger than 1/n1. Take… Includes diagram
    Physics · Geometrical Optics · Multiple correct
  51. Q51.A particle of mass M = 0.2 kg is initially at rest in the xy-plane at a point (x = − l, y = − h), where l = 10 m and h = 1 m. The particle is accelerated at time t = 0 with a constant acceleration a = 10 m/s2 along the positive…
    Physics · Impulse and Momentum · Multiple correct
  52. Q52.Which of the following statement(s) is(are) correct about the spectrum of the hydrogen atom?
    Physics · Atoms and Nuclei · Multiple correct
  53. Q53.A long straight wire carries a current, I = 2 ampere. A semi-circular conducting rod is placed beside it on two conducting parallel rails of negligible resistance. Both the rails are parallel to the wire. The wire, the rod and the rails… Includes diagram
    Physics · Magnetism · Multiple correct
  54. Q54.A cylindrical tube, with its base as shown in the figure, is filled with water. It is moving down with a constant acceleration a along a fixed inclined plane with angle θ = 45 ∘. P1 and P2 are pressures at points 1 and 2,… Includes diagram
    Physics · Properties of Matter · Multiple correct
  55. Q55.An α-particle (mass 4 amu) and a singly charged sulphur ion (mass 32 amu) are initially at rest. They are accelerated through a potential V and then allowed to pass into a region of uniform magnetic field which is normal to the…
    Physics · Magnetism · Numerical
  56. Q56.A thin rod of mass M and length a is free to rotate in horizontal plane about a fixed vertical axis passing through point O. A thin circular disc of mass M and of radius a/4 is pivoted on this rod with its center at a distance a/4 from the… Includes diagram
    Physics · Rotational Motion · Numerical
  57. Q57.A small object is placed at the center of a large evacuated hollow spherical container. Assume that the container is maintained at 0 K. At time t = 0, the temperature of the object is 200 K. The temperature of the object becomes 100 K at t…
    Physics · Heat and Thermodynamics · Numerical