2019 · 9 Apr · Shift 2
70 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 · 9 Apr · Shift 2
70 questions · JEE Main
Aldehydes Ketones and Carboxylic AcidsChemistry · 3 questionsSolutionsChemistry · 1 questionsD and F Block ElementsChemistry · 1 questionsHydrocarbonsChemistry · 2 questionsChemical Kinetics and Nuclear ChemistryChemistry · 1 questionsElectrochemistryChemistry · 1 questionsCompounds Containing NitrogenChemistry · 2 questionsBiomoleculesChemistry · 1 questionsChemical Bonding and Molecular StructureChemistry · 2 questionsP Block ElementsChemistry · 1 questionsCoordination CompoundsChemistry · 2 questionsStructure of AtomChemistry · 1 questionsThermodynamicsChemistry · 1 questionsSome Basic Concepts of ChemistryChemistry · 1 questionsIonic EquilibriumChemistry · 1 questionsDefinite IntegrationMathematics · 2 questionsTrigonometric Ratio and IdentitesMathematics · 1 questionsComplex NumbersMathematics · 1 questionsDifferential EquationsMathematics · 1 questionsSequences and SeriesMathematics · 1 questionsLimits Continuity and DifferentiabilityMathematics · 2 questionsArea Under the CurvesMathematics · 1 questionsStatisticsMathematics · 1 questionsCircleMathematics · 1 questionsVector AlgebraMathematics · 1 questionsFunctionsMathematics · 1 questionsSets and RelationsMathematics · 1 questionsQuadratic Equation and InequalitiesMathematics · 1 questionsIndefinite IntegralsMathematics · 1 questionsMatrices and DeterminantsMathematics · 2 questions3D GeometryMathematics · 1 questionsStraight Lines and Pair of Straight LinesMathematics · 1 questionsApplication of DerivativesMathematics · 1 questionsRotational MotionPhysics · 2 questionsWavesPhysics · 1 questionsCurrent ElectricityPhysics · 3 questionsCapacitorPhysics · 1 questionsAtoms and NucleiPhysics · 1 questionsHeat and ThermodynamicsPhysics · 3 questionsCenter of MassPhysics · 2 questionsProperties of MatterPhysics · 1 questionsMotion in A Straight LinePhysics · 2 questionsGravitationPhysics · 1 questionsElectrostaticsPhysics · 1 questionsElectromagnetic WavesPhysics · 1 questionsUnits and MeasurementsPhysics · 1 questionsElectronic DevicesPhysics · 1 questionsWave OpticsPhysics · 1 questionsDual Nature of RadiationPhysics · 1 questionsGeometrical OpticsPhysics · 2 questionsElectromagnetic InductionPhysics · 2 questionsMagneticsPhysics · 1 questions
- Q1.p-Hydroxybenzophenone upon reaction with bromine in carbon tetrachloride gives:Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
- Q2.Molal depression constant for a solvent is 4.0 kg mol–1. The depression in the freezing point of the solvent for 0.03 mol kg–1 solution of is : (Assume complete dissociation of the electrolyte)Chemistry · Solutions · MCQ
- Q3.The maximum number of possible oxidation states of actinoides are shown by :Chemistry · D and F Block Elements · MCQ
- Q4.The major product of the following reaction is: Includes diagramChemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
- Q5.Which of the following potential energy (PE) diagrams represents the SN1 reaction?Chemistry · Hydrocarbons · MCQ
- Q6.In the following reaction Rate of the reaction is the highest for : Includes diagramChemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
- Q7.Consider the given plot of enthalpy of the following reaction between A and B. A+ B C + D Identify the incorrect statement. Includes diagramChemistry · Chemical Kinetics and Nuclear Chemistry · MCQ
- Q8.A solution of is electrolysed between platinum electrodes using 0.1 Faraday electricity. How many mole of will be deposited at the cathode?Chemistry · Electrochemistry · MCQ
- Q9.Hinsberg's reagent is :Chemistry · Compounds Containing Nitrogen · MCQ
- Q10.The peptide that gives positive ceric ammonium nitrate and carbylamine tests is :Chemistry · Biomolecules · MCQ
- Q11.Among the following species, the diamagnetic molecule isChemistry · Chemical Bonding and Molecular Structure · MCQ
- Q12.The correct statements among I to III regarding group 13 element oxides are, (I) Boron trioxide is acidic. (II) Oxides of aluminium and gallium are amphoteric. (III) Oxides of indium and thalliumare basic.Chemistry · P Block Elements · MCQ
- Q13.The maximum possible denticities of a ligand given below towards a common transition and inner-transition metal ion, respectively, are : Includes diagramChemistry · Coordination Compounds · MCQ
- Q14.Which one of the following about an electron occupying the 1s orbital in a hydrogen atom is incorrect ? (The Bohr radius is represented by a0)Chemistry · Structure of Atom · MCQ
- Q15.The major products A and B for the following reactions are, respectively: Includes diagramChemistry · Compounds Containing Nitrogen · MCQ
- Q16.During compression of a spring the work done is 10kJ and 2kJ escaped to the surroundings as heat. The change in internal energy, U(inkJ) is :Chemistry · Thermodynamics · MCQ
- Q17.Increasing order of reactivity of the following compounds for SN1 substitution is: Includes diagramChemistry · Hydrocarbons · MCQ
- Q18.HF has highest boiling point among hydrogen halides, because it has :Chemistry · Chemical Bonding and Molecular Structure · MCQ
- Q19.What would be the molality of 20% (mass/ mass) aqueous solution of KI? (molar mass of KI = 166 g mol–1)Chemistry · Some Basic Concepts of Chemistry · MCQ
- Q20.The correct statements among I to III are : (I) Valence bond theory cannot explain the color exhibited by transition metal complexes. (II) Valence bond theory can predict quantitatively the magnetic properties of transtition metal…Chemistry · Coordination Compounds · MCQ
- Q21.In an acid-base titration, 0.1 M HCl solution was added to the NaOH solution of unknown strength. Which of the following correctly shows the change of pH of the titraction mixture in this experiment? Includes diagramChemistry · Ionic Equilibrium · MCQ
- Q22.The value of the integral is :-Mathematics · Definite Integration · MCQ
- Q23.The value of sin 10º sin30º sin50º sin70º is :-Mathematics · Trigonometric Ratio and Identites · MCQ
- Q24.Let z C be such that |z| < 1. If z, then :Mathematics · Complex Numbers · MCQ
- Q25.If , (0 < x < ) and = 0 then is equal to :-Mathematics · Differential Equations · MCQ
- Q26.If the sum and product of the first three term in an A.P. are 33 and 1155, respectively, then a value of its 11th term is :-Mathematics · Sequences and Series · MCQ
- Q27.If the function is continuous at x = 5, then the value of a – b is :-Mathematics · Limits Continuity and Differentiability · MCQ
- Q28.The area (in sq. units) of the region A = {(x, y) : x y + 4} is :-Mathematics · Area Under the Curves · MCQ
- Q29.The mean and the median of the following ten numbers in increasing order 10, 22, 26, 29, 34, x, 42, 67, 70, y are 42 and 35 respectively, then is equal toMathematics · Statistics · MCQ
- Q30.A rectangle is inscribed in a circle with a diameter lying along the line 3y = x + 7. If the two adjacent vertices of the rectangle are (–8, 5) and (6, 5), then the area of the rectangle (in sq. units) is :Mathematics · Circle · MCQ
- Q31.If a unit vector makes angles /3 with , / 4 with and (0, ) with , then a value of is :-Mathematics · Vector Algebra · MCQ
- Q32.The domain of the definition of the function isMathematics · Functions · MCQ
- Q33.Two newspapers A and B are published in a city. It is known that 25% of the city populations reads A and 20% reads B while 8% reads both A and B. Further, 30% of those who read A but not B look into advertisements and 40% of those who read…Mathematics · Sets and Relations · MCQ
- Q34.If m is chosen in the quadratic equation (m2 + 1) x2 – 3x + (m2 + 1)2 = 0 such that the sum of its roots is greatest, then the absolute difference of the cubes of its roots is :-Mathematics · Quadratic Equation and Inequalities · MCQ
- Q35. = esecxf(x) + C then a possible choice of f(x) is :-Mathematics · Indefinite Integrals · MCQ
- Q36.The total number of matrices (x, y R,x y) for which ATA = 3I3 is :-Mathematics · Matrices and Determinants · MCQ
- Q37.If ,x 4 , where [x] denotes the greatest integer function, thenMathematics · Limits Continuity and Differentiability · MCQ
- Q38.The vertices B and C of a ABC lie on the line, such that BC = 5 units. Then the area (in sq. units) of this triangle, given that the point A(1, –1, 2), is :Mathematics · 3D Geometry · MCQ
- Q39.If the two lines x + (a – 1) y = 1 and 2x + a2y = 1 (a R – {0, 1}) are perpendicular, then the distance of their point of intersection from the origin is :Mathematics · Straight Lines and Pair of Straight Lines · MCQ
- Q40.A water tank has the shape of an inverted right circular cone, whose semi-vertical angle is . Water is poured into it at a constant rate of 5 cubic meter per minute. The the rate (in m/min.),…Mathematics · Application of Derivatives · MCQ
- Q41.If f : R R is a differentiable function and f(2) = 6, then is :-Mathematics · Definite Integration · MCQ
- Q42.If the system of equations 2x + 3y – z = 0, x + ky – 2z = 0 and 2x – y + z = 0 has a non-trival solution (x, y, z), then is equal to :-Mathematics · Matrices and Determinants · MCQ
- Q43.A thin smooth rod of length L and mass M is rotating freely with angular speed 0 about an axis perpendicular to the rod and passing through its center. Two beads of mass m and negligible size are at the center of the rod…Physics · Rotational Motion · MCQ
- Q44.A string 2.0 m long and fixed at its ends is driven by a 240 Hz vibrator. The string vibrates in its third harmonic mode. The speed of the wave and its fundamental frequency is :-Physics · Waves · MCQ
- Q45.In a conductor, if the number of conduction electrons per unit volume is 8.5 × 1028 m–3 and mean free time is 25ƒs (femto second), it's approximate resistivity is :- (me = 9.1 × 10–31 kg)Physics · Current Electricity · MCQ
- Q46.The parallel combination of two air filled parallel plate capacitors of capacitance C and nC is connected to a battery of voltage, V. When the capacitors are fully charged, the battery is removed and after that a dielectric material of…Physics · Capacitor · MCQ
- Q47.A He+ ion is in its first excited state. Its ionization energy is :-Physics · Atoms and Nuclei · MCQ
- Q48.Two materials having coefficients of thermal conductivity '3K' and 'K' and thickness 'd' and '3d', respectively, are joined to form a slab as shown in the figure. The temperatures of the outer surfaces are ' 2' and ' 1'… Includes diagramPhysics · Heat and Thermodynamics · MCQ
- Q49.A wedge of mass M = 4m lies on a frictionless plane. A particle of mass m approaches the wedge with speed v. There is no friction between the particle and the plane or between the particle and the wedge. The maximum height climbed by the…Physics · Center of Mass · MCQ
- Q50.A wooden block floating in a bucket of water has 4/5 of its volume submerged. When certain amount of an oil is poured into the bucket, it is found that the block is just under the oil surface with half of its volume under water and half in…Physics · Properties of Matter · MCQ
- Q51.A particle of mass 'm' is moving with speed '2v' and collides with a mass '2m' moving with speed 'v' in the same direction. After collision, the first mass is stopped completely while the second one splits into two particles each of mass…Physics · Center of Mass · MCQ
- Q52.The position vector of a particle changes with time according to the relation What is the magnitude of the acceleration at t = 1 ?Physics · Motion in A Straight Line · MCQ
- Q53.A test particle is moving in a circular orbit in the gravitational field produced by a mass density . Identify the correct relation between the radius R of the particle's orbit and its period TPhysics · Gravitation · MCQ
- Q54.Four point charges –q, +q, +q and –q are placed on y-axis at y = –2d, y = –d, y = +d and y = +2d, respectively. The magnitude of the electric field E at a point on the x-axis at x = D, with D >> d, will behave as :-Physics · Electrostatics · MCQ
- Q55.The specific heats, CP and CV of a gas of diatomic molecules, A, are given (in units of J mol–1 K–1) by 29 and 22, respectively. Another gas of diatomic molecules, B, has the corresponding values 30 and 21. If they are treated as ideal…Physics · Heat and Thermodynamics · MCQ
- Q56.50 W/m2 energy density of sunlight is normally incident on the surface of a solar panel. Some part of incident energy (25%) is reflected from the surface and the rest is absorbed. The force exerted on 1m2 surface area will be close to (c =…Physics · Electromagnetic Waves · MCQ
- Q57.The position of a particle as a function of time t, is given by x(t) = at + bt2 – ct3 where a, b and c are constants. When the particle attains zero acceleration, then its velocity will be :Physics · Motion in A Straight Line · MCQ
- Q58.The area of a square is 5.29 cm2. The area of 7 such squares taking into account the significant figures is :-Physics · Units and Measurements · MCQ
- Q59.The logic gate equivalent to the given logic circuit is :- Includes diagramPhysics · Electronic Devices · MCQ
- Q60.Moment of inertia of a body about a given axis is 1.5 kg m2. Initially the body is at rest. In order to produce a rotational kinetic energy of 1200 J, the angular accleration of 20 rad/s2 must be applied about the axis for a duration of :-Physics · Rotational Motion · MCQ
- Q61.Diameter of the objective lens of a telescope is 250 cm. For light of wavelength 600nm. coming from a distant object, the limit of resolution of the telescope is close to :-Physics · Wave Optics · MCQ
- Q62.A particle 'P' is formed due to a completely inelastic collision of particles 'x' and 'y' having de-Broglie wavelengths ' x' and ' y' respectively. If x and y were moving in opposite directions, then the de-Broglie…Physics · Dual Nature of Radiation · MCQ
- Q63.A convex lens of focal length 20 cm produces images of the same magnification 2 when an object is kept at two distances x1 and x2 (x1 > x2) from the lens. The ratio of x1 and x2 is :-Physics · Geometrical Optics · MCQ
- Q64.A very long solenoid of radius R is carrying current I(t) = kte–at(k > 0), as a function of time (t 0). counter clockwise current is taken to be positive. A circular conducting coil of radius 2R is placed in the equatorial plane…Physics · Electromagnetic Induction · MCQ
- Q65.A massless spring (k = 800 N/m), attached with a mass (500 g) is completely immersed in 1 kg of water. The spring is stretched by 2 cm and released so that it starts vibrating. What would be the order of magnitude of the change in the…Physics · Heat and Thermodynamics · MCQ
- Q66.A thin convex lens L (refractive index = 1.5) is placed on a plane mirror M. When a pin is placed at A, such that OA = 18 cm, its real inverted image is formed at A itself, as shown in figure. When a liquid of refractive index μ1 is put… Includes diagramPhysics · Geometrical Optics · MCQ
- Q67.A moving coil galvanometer has a coil with 175 turns and area 1 cm2. It uses a torsion band of torsion constant 10–6 N-m/rad. The coil is placed in a maganetic field B parallel to its plane. The coil deflects by 1° for a current of 1 mA.…Physics · Magnetics · MCQ
- Q68.The resistance of a galvanometer is 50 ohm and the maximum current which can be passed through it is 0.002 A. What resistance must be connected to it in order to convert it into an ammeter of range 0 – 0.5 A ?Physics · Current Electricity · MCQ
- Q69.A metal wire of resistance 3 is elongated to make a uniform wire of double its previous length. This new wire is now bent and the ends joined to make a circle. If two points on this circle make an angle 60° at the centre, the…Physics · Current Electricity · MCQ
- Q70.Two coils 'P' and 'Q' are separated by some distance. When a current of 3 A flows through coil 'P', a magnetic flux of 10–3 Wb passes through 'Q'. No current is passed through 'Q'. When no current passes through 'P' and a current of 2 A…Physics · Electromagnetic Induction · MCQ