2019 · 10 Jan · Shift 1
69 questions · JEE MainGuest · filters and generic practice availableBrowsing as a guest · PYQ filters and generic practice are available. Sign in only for personalised features and saved progress.
2019 · 10 Jan · Shift 1
69 questions · JEE Main
HydrocarbonsChemistry · 2 questionsCoordination CompoundsChemistry · 1 questionsAldehydes Ketones and Carboxylic AcidsChemistry · 2 questionsBiomoleculesChemistry · 1 questionsAlcohols Phenols and EthersChemistry · 2 questionsChemical Kinetics and Nuclear ChemistryChemistry · 1 questionsStructure of AtomChemistry · 1 questionsHaloalkanes and HaloarenesChemistry · 1 questionsChemical Bonding and Molecular StructureChemistry · 2 questionsElectrochemistryChemistry · 1 questionsCompounds Containing NitrogenChemistry · 1 questionsSolutionsChemistry · 1 questionsD and F Block ElementsChemistry · 2 questionsBasics of Organic ChemistryChemistry · 1 questionsChemical EquilibriumChemistry · 1 questionsPeriodic Table and PeriodicityChemistry · 1 questionsIonic EquilibriumChemistry · 1 questionsThermodynamicsChemistry · 1 questionsMatrices and DeterminantsMathematics · 2 questionsStatisticsMathematics · 1 questionsIndefinite IntegralsMathematics · 1 questionsVector AlgebraMathematics · 1 questionsSets and RelationsMathematics · 1 questionsProbabilityMathematics · 1 questionsLimits Continuity and DifferentiabilityMathematics · 2 questionsBinomial TheoremMathematics · 1 questionsStraight Lines and Pair of Straight LinesMathematics · 3 questionsArea Under the CurvesMathematics · 1 questionsDefinite IntegrationMathematics · 1 questionsComplex NumbersMathematics · 1 questionsSequences and SeriesMathematics · 1 questionsApplication of DerivativesMathematics · 1 questionsQuadratic Equation and InequalitiesMathematics · 1 questionsDifferential EquationsMathematics · 1 questionsDifferentiationMathematics · 1 questionsElectromagnetic InductionPhysics · 1 questionsElectrostaticsPhysics · 2 questionsCurrent ElectricityPhysics · 3 questionsElectromagnetic WavesPhysics · 1 questionsWavesPhysics · 1 questionsRotational MotionPhysics · 2 questionsDual Nature of RadiationPhysics · 1 questionsGeometrical OpticsPhysics · 1 questionsMagneticsPhysics · 1 questionsUnits and MeasurementsPhysics · 1 questionsCenter of MassPhysics · 1 questionsWave OpticsPhysics · 1 questionsProperties of MatterPhysics · 1 questionsMagnetic Properties of MatterPhysics · 1 questionsCapacitorPhysics · 1 questionsVector AlgebraPhysics · 1 questionsGravitationPhysics · 1 questionsHeat and ThermodynamicsPhysics · 1 questionsMotion in A PlanePhysics · 1 questionsElectronic DevicesPhysics · 1 questionsWork Power and EnergyPhysics · 1 questions
- Q1.The major product of the following reaction is : Includes diagramChemistry · Hydrocarbons · MCQ
- Q2.The total number of isomers for a square planar complex isChemistry · Coordination Compounds · MCQ
- Q3.The decreasing order of ease of alkaline hydrolysis for the following esters in Includes diagramChemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
- Q4.The correct structure of product 'P' in the following reactions is : Includes diagramChemistry · Biomolecules · MCQ
- Q5.The major product 'X' formed in the following reaction is : Includes diagramChemistry · Alcohols Phenols and Ethers · MCQ
- Q6.The major product of the following reaction is Includes diagramChemistry · Hydrocarbons · MCQ
- Q7.Which dicarboxylic acid in presence of a dehydrating agent is least reactive to give an anhydride?Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
- Q8.Consider the given plots for a reaction obeying Arrhenius equation (0oC < T < 300oC) : (K and Ea are rate constant and activation energy, respectively) Choose the correct option : Includes diagramChemistry · Chemical Kinetics and Nuclear Chemistry · MCQ
- Q9.Which of the graphs shown below does not represent the relationship between incident light and the electron ejected from metal surface ?Chemistry · Structure of Atom · MCQ
- Q10.The increasing order of the pKa values of the following compounds is : Includes diagramChemistry · Alcohols Phenols and Ethers · MCQ
- Q11.Which hydrogen in compound (E) is easily replaceable during bromination reaction in presence of light ? Includes diagramChemistry · Haloalkanes and Haloarenes · MCQ
- Q12.The type of hybridisation and number of lone pair (s) of electrons of Xe in , respectively, are:Chemistry · Chemical Bonding and Molecular Structure · MCQ
- Q13.Consider the following reduction processes : + 2e– Zn(s) ; Eo = – 0.76 V + 2e– Ca(s); Eo = –2.87 V + 2e– Mg(s) ; Eo = – 2.36 V + 2e– Ni(s) ; Eo = – 0.25 The reducing power of the…Chemistry · Electrochemistry · MCQ
- Q14.The major product formed in the reaction given below will be : Includes diagramChemistry · Compounds Containing Nitrogen · MCQ
- Q15.Liquids A and B form an ideal solution in the entire composition range. At 350 K, the vaapor pressures of pure A and pure B are 7 103 Pa and 12 103 Pa, respectively . The composition of the vapor in equilibriumwith a…Chemistry · Solutions · MCQ
- Q16.The effect of lanthanoid contraction in the lanthanoid series of elements by and large means :Chemistry · D and F Block Elements · MCQ
- Q17.Wilkinson catalyst is : (Et = )Chemistry · D and F Block Elements · MCQ
- Q18.Two pi and half sigma bonds are present in :Chemistry · Chemical Bonding and Molecular Structure · MCQ
- Q19.If dichloromethane (DCM) and water () are used for differential extraction, which one of the following statements is correct ?Chemistry · Basics of Organic Chemistry · MCQ
- Q20.The values of Kp/Kc for the following reactions at 300 K are, respectively : (At 300 K, RT = 24.62 dm3 atm mol–1) (g) + (g) 2 (g) (g) 2 (g) (g) + 3(g) …Chemistry · Chemical Equilibrium · MCQ
- Q21.The electronegativity of aluminium is similar to :Chemistry · Periodic Table and Periodicity · MCQ
- Q22.A mixture of 100 m mol of and 2 g of sodium sulphate was dissolved in water and the volume was made up to 100 mL. The mass of calcium sulphate formed and the concentration of OH– in resulting solution, respectively, are : (Molar…Chemistry · Ionic Equilibrium · MCQ
- Q23.A process has H = 200 J mol–1 and S = 40 JK–1 mol–1. Out of the values given below, choose the minimum temperature above which the process will be spontaneous :Chemistry · Thermodynamics · MCQ
- Q24.If the system of equations x + y + z = 5 x + 2y + 3z = 9 x + 3y + az = has infinitely many solutions, then equals -Mathematics · Matrices and Determinants · MCQ
- Q25.The mean of five observations is 5 and their variance is 9.20. If three of the given five observations are 1, 3 and 8, then a ratio of other two observations is -Mathematics · Statistics · MCQ
- Q26.Let n 2 be a natural number and Then is equal to - (where C is a…Mathematics · Indefinite Integrals · MCQ
- Q27.Let and …Mathematics · Vector Algebra · MCQ
- Q28.In a class of 140 students numbered 1 to 140, all even numbered students opted Mathematics course, those whose number is divisible by 3 opted Physics course and those whose number is divisible by 5 opted Chemistry course. Then the number…Mathematics · Sets and Relations · MCQ
- Q29.An unbiased coin is tossed. If the outcome is a head then a pair of unbiased dice is rolled and the sum of the numbers obtained on them is noted. If the toss of the coin results in tail then a card from a well-shuffled pack of nine cards…Mathematics · Probability · MCQ
- Q30.For each t R , let [t] be the greatest integer less than or equal to t Then …Mathematics · Limits Continuity and Differentiability · MCQ
- Q31.Let Let S be the set…Mathematics · Limits Continuity and Differentiability · MCQ
- Q32.Let d R, and …Mathematics · Matrices and Determinants · MCQ
- Q33.If the third term in the binomial expansion of equals 2560, then a possible value of x is -Mathematics · Binomial Theorem · MCQ
- Q34.If the line 3x + 4y – 24 = 0 intersects the x-axis at the point A and the y-axis at the point B, then the incentre of the triangle OAB, where O is the origin, is :Mathematics · Straight Lines and Pair of Straight Lines · MCQ
- Q35.If the area enclosed between the curves y = kx2 and x = ky2, (k > 0), is 1 square unit. Then k is -Mathematics · Area Under the Curves · MCQ
- Q36.Let If I is minimum then the ordered pair (a, b) is -Mathematics · Definite Integration · MCQ
- Q37.Let z1 and z2 be any two non-zero complex numbers such that If then :Mathematics · Complex Numbers · MCQ
- Q38.The sum of all two digit positive numbers which when divided by 7 yield 2 or 5 as remainder is -Mathematics · Sequences and Series · MCQ
- Q39.A point P moves on the line 2x – 3y + 4 = 0. If Q(1, 4) and R (3, – 2) are fixed points, then the locus of the centroid of PQR is a line :Mathematics · Straight Lines and Pair of Straight Lines · MCQ
- Q40.The shortest distance between the point and the curve y =, (x > 0), is -Mathematics · Application of Derivatives · MCQ
- Q41.Consider the quadratic equation (c – 5)x2 – 2cx + (c – 4) = 0, c 5. Let S be the set of all integral values of c for which one root of the equation lies in the interval (0, 2) and its other root lies in the interval (2, 3). Then the…Mathematics · Quadratic Equation and Inequalities · MCQ
- Q42.If and then …Mathematics · Differential Equations · MCQ
- Q43.Let f : R R be a function such that f(x) = x3 + x2f'(1) + xf''(2) + f'''(3), x R. Then f(2) equals -Mathematics · Differentiation · MCQ
- Q44.If 5, 5r, 5r2 are the lengths of the sides of a triangle, then r cannot be equal to :Mathematics · Straight Lines and Pair of Straight Lines · MCQ
- Q45.A solid metal cube of edge length 2 cm is moving in a positive y-direction at a constant speed of 6 m/s. There is a uniform magnetic field of 0.1 T in the positive z-direction. The potential difference between the two faces of the cube…Physics · Electromagnetic Induction · MCQ
- Q46.A charge Q is distributed over three concentric spherical shells of radii a, b, c (a < b < c) such that their surface charge densities are equal to one another. The total potential at a point at distance r from their common centre,…Physics · Electrostatics · MCQ
- Q47.A 2 W carbon resistor is color coded with green, black, red and brown respectively. The maximum current which can be passed through this resistor is -Physics · Current Electricity · MCQ
- Q48.If the magnetic field of a plane electromagnetic wave is given by (the speed of light = 3 × 108 B = 100 × 10–6 sin then the maximum electric field…Physics · Electromagnetic Waves · MCQ
- Q49.A string of length 1 m and mass 5 g is fixed at both ends. The tension in the string is 8.0 N. The string is set into vibration using an external vibrator of frequency 100 Hz. The separation between successive nodes on the string is close…Physics · Waves · MCQ
- Q50.A homogeneous solid cylindrical roller of radius R and mass M is pulled on a cricket pitch by a horizontal force. Assuming rolling without slipping, angular acceleration of the cylinder is -Physics · Rotational Motion · MCQ
- Q51.In an electron microscope, the resolution that can be achieved is of the order of the wavelength of electrons used. To resolve a width of 7.5 × 10–12 m, the minimum electron energy required is close to -Physics · Dual Nature of Radiation · MCQ
- Q52.A plano convex lens of refractive index 1 and focal length ƒ1 is kept in contact with another plano concave lens of refractive index 2 and focal length ƒ2. If the radius of curvature of their spherical faces is R each and ƒ1 =…Physics · Geometrical Optics · MCQ
- Q53.A uniform metallic wire has a resistance of 18 and is bent into an equilateral triangle. Then, the resistance between any two vertices of the triangle is -Physics · Current Electricity · MCQ
- Q54.An insulating thin rod of length has a linear charge density = on it. The rod is rotated about an axis passing through the origin (x = 0) and perpendicular to the rod. If the rod makes n…Physics · Magnetics · MCQ
- Q55.The density of a material in SI units is 128 kg m–3 . In certain units in which the unit of length is 25 cm and the unit of mass is 50 g, the numerical value of density of the material is -Physics · Units and Measurements · MCQ
- Q56.A piece of wood of mass 0.03 kg is dropped from the top of a 100 m height building. At the same time, a bullet of mass 0.02 kg is fired vertically upward, with a velocity 100 ms–1, from the ground. The bullet gets embedded in the wood.…Physics · Center of Mass · MCQ
- Q57.In a Young’s double slit experiment with slit separation 0.1 mm, one observes a bright fringe at angle by using light of wavelength 1. When the light of wavelength 2 is used a bright fringe is seen at…Physics · Wave Optics · MCQ
- Q58.Water flows into a large tank with flat bottom at the rate of 10–4m3s–1. Water is also leaking out of a hole ofarea 1 cm2 at its bottom. If the height of the water in the tank remains steady, then this height is -Physics · Properties of Matter · MCQ
- Q59.A magnet of total magnetic moment 10-2 A-m2 is placed in a time varying magnetic field, B (cos ) where B = 1 Tesla and = 0.125 rad/s. The work done for reversing the direction of the magnetic…Physics · Magnetic Properties of Matter · MCQ
- Q60.To mop-clean a floor, a cleaning machine presses a circular mop of radius R vertically down with a total force F and rotates it with a constant angular speed about its axis. If the force F is distributed uniformly over the mop and if…Physics · Rotational Motion · MCQ
- Q61.A parallel plate capacitor is of area 6 cm2 and a separation 3 mm. The gap is filled with three dielectric materials of equal thickness (see figure) with dielectric constants K1 = 10, K2 = 12 and K3 = 14. The dielectric constant of a… Includes diagramPhysics · Capacitor · MCQ
- Q62.In the cube of side ‘a’ shown in the figure, the vector from the central point of the face ABOD to the central point of the face BEFO will be - Includes diagramPhysics · Vector Algebra · MCQ
- Q63.A satellite is moving with a constant speed v in circular orbit around the earth. An object of mass ‘m’ is ejected from the satellite such that it just escapes from the gravitational pull of the earth. At the time of ejection, the kinetic…Physics · Gravitation · MCQ
- Q64.A heat source at T = 103 K is connected to another heat reservoir at T = 102 K by a copper slab which is 1 mthick. Given that the thermal conductivity of copper is 0.1 WK–1m–1, the energy flux through it in the steady state is -Physics · Heat and Thermodynamics · MCQ
- Q65.Two guns A and B can fire bullets at speeds 1 km/s and 2 km/s respectively. From a point on a horizontal ground, they are fired in all possible directions. The ratio of maximum areas covered by the bullets fired by the two guns, on the…Physics · Motion in A Plane · MCQ
- Q66.In the given circuit the cells have zero internal resistance. The currents (in Amperes) passing through resistance R1 and R2 respectively, are - Includes diagramPhysics · Current Electricity · MCQ
- Q67.To get output 1 at R, for the given logic gate circuit the input values must be Includes diagramPhysics · Electronic Devices · MCQ
- Q68.Two electric dipoles, A, B with respective dipole moments and are placed on the x-axis with a separation R, as shown in the figure. The distance from A at which both of… Includes diagramPhysics · Electrostatics · MCQ
- Q69.A block of mass m is kept on a platform which starts from rest with constant acceleration g/2 upward, as shown in figure. Work done by normal reaction on block in time is - Includes diagramPhysics · Work Power and Energy · MCQ