2020 · 2 Sep · Shift 1
60 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.
2020 · 2 Sep · Shift 1
60 questions · JEE Main
ThermodynamicsChemistry · 1 questionsCoordination CompoundsChemistry · 3 questionsBasics of Organic ChemistryChemistry · 2 questionsElectrochemistryChemistry · 1 questionsAldehydes Ketones and Carboxylic AcidsChemistry · 1 questionsAlcohols Phenols and EthersChemistry · 1 questionsPeriodic Table and PeriodicityChemistry · 1 questionsRedox ReactionsChemistry · 1 questionsIonic EquilibriumChemistry · 1 questionsHaloalkanes and HaloarenesChemistry · 1 questionsChemical EquilibriumChemistry · 1 questionsBiomoleculesChemistry · 1 questionsStructure of AtomChemistry · 1 questionsChemical Bonding and Molecular StructureChemistry · 1 questionsHydrocarbonsChemistry · 1 questionsPractical Organic ChemistryChemistry · 1 questionsMatrices and DeterminantsMathematics · 2 questionsArea Under the CurvesMathematics · 1 questionsProbabilityMathematics · 1 questionsLimits Continuity and DifferentiabilityMathematics · 2 questionsBinomial TheoremMathematics · 1 questionsSequences and SeriesMathematics · 1 questionsPermutations and CombinationsMathematics · 1 questionsVector AlgebraMathematics · 1 questionsDefinite IntegrationMathematics · 1 questionsApplication of DerivativesMathematics · 1 questionsComplex NumbersMathematics · 1 questionsInverse Trigonometric FunctionsMathematics · 1 questionsQuadratic Equation and InequalitiesMathematics · 1 questionsSets and RelationsMathematics · 1 questionsStatisticsMathematics · 1 questionsDifferential EquationsMathematics · 1 questionsUnits and MeasurementsPhysics · 2 questionsGeometrical OpticsPhysics · 1 questionsAtoms and NucleiPhysics · 1 questionsCurrent ElectricityPhysics · 1 questionsCenter of MassPhysics · 1 questionsHeat and ThermodynamicsPhysics · 2 questionsGravitationPhysics · 1 questionsMotion in A Straight LinePhysics · 1 questionsWork Power and EnergyPhysics · 1 questionsRotational MotionPhysics · 2 questionsCircular MotionPhysics · 1 questionsWavesPhysics · 1 questionsWave OpticsPhysics · 1 questionsProperties of MatterPhysics · 1 questionsElectrostaticsPhysics · 1 questionsElectromagnetic WavesPhysics · 1 questionsCapacitorPhysics · 1 questionsElectromagnetic InductionPhysics · 1 questionsDual Nature of RadiationPhysics · 1 questionsMagneticsPhysics · 1 questions
- Q1.The internal energy change (in J) When 90 g of water undergoes complete evaporation at 100oC is . (Given : Hvap for water at 373 K = 41 kJ/mol, R = 8.314 JK–1 mol–1)Chemistry · Thermodynamics · Numerical
- Q2.The oxidation states of iron atoms in compounds (A), (B) and (C), respectively, are x, y and z. The sum of x, y and z is . (A) (B) (C)Chemistry · Coordination Compounds · Numerical
- Q3.The number of chiral carbons present in the molecule given below is . Includes diagramChemistry · Basics of Organic Chemistry · Numerical
- Q4.The Gibbs change (in J) for the given reaction at [] = [] = 1 M and 298K is : (s) + (aq.) (aq.) + (s); (, ) Take F = 96500…Chemistry · Electrochemistry · Numerical
- Q5.The increasing order of the following compounds towards HCN addition is : Includes diagramChemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
- Q6.The major aromatic product C in the following reaction sequence will be : Includes diagramChemistry · Alcohols Phenols and Ethers · MCQ
- Q7.In general the property (magnitudes only) that show an opposite trend in comparison to other properties across a period isChemistry · Periodic Table and Periodicity · MCQ
- Q8.While titrating dilute HCl solution with aqueous NaOH, which of the following will not be required?Chemistry · Redox Reactions · MCQ
- Q9.The IUPAC name for the following compound is Includes diagramChemistry · Basics of Organic Chemistry · MCQ
- Q10.For the following Assertion and Reason, the correct option is Assertion (A): When (II) and sulphide ions are mixed, they react together extremely quickly to give a solid. Reason (R): The equilibrium constant of (aq) +…Chemistry · Ionic Equilibrium · MCQ
- Q11.Which of the following compunds will show retention in configuration on nucleophilic substitution by OH– ion?Chemistry · Haloalkanes and Haloarenes · MCQ
- Q12.Consider that a d6 metal ion () forms a complex with aqua ligands, and the spin only magnetic moment of the complex is 4.90 BM. The geometry and the crystal field stabilization energy of the complex isChemistry · Coordination Compounds · MCQ
- Q13.For octahedral Mn(II) and tetrahedral Ni(II) complexes, consider the following statements: (I) both the complexes can be high spin. (II) Ni(II) complex can very rarely be low spin. (III) with strong field ligands, Mn(II) complexes can be…Chemistry · Coordination Compounds · MCQ
- Q14.An open beaker of water in equilibrium with water vapour is in a sealed container. When a few grams of glucose are added to the beaker of water, the rate at which water molecules :Chemistry · Chemical Equilibrium · MCQ
- Q15.Consider the following rections: 'x', 'y' and 'z' in these reactions are respectively. Includes diagramChemistry · Biomolecules · MCQ
- Q16.The figure that is not a direct manifestation of the quantum nature of atoms is :Chemistry · Structure of Atom · MCQ
- Q17.If molecule is a polar molecule, a possible geometry of isChemistry · Chemical Bonding and Molecular Structure · MCQ
- Q18.The major product in the following reaction is : Includes diagramChemistry · Hydrocarbons · MCQ
- Q19.In Carius method of estimation of halogen, 0.172 g of an organic compound showed presence of 0.08 g of bromine. Which of these is the correct structure of the compound?Chemistry · Practical Organic Chemistry · MCQ
- Q20.Let S be the set of all R for which the system of linear equations 2x – y + 2z = 2 x – 2y + z = –4 x + y + z = 4 has no solution. Then the set S :Mathematics · Matrices and Determinants · MCQ
- Q21.Area (in sq. units) of the region outside and inside the ellipse is :Mathematics · Area Under the Curves · MCQ
- Q22.Box I contains 30 cards numbered 1 to 30 and Box II contains 20 cards numbered 31 to 50. A box is selected at random and a card is drawn from it. The number on the card is found to be a non-prime number. The probability that the card was…Mathematics · Probability · MCQ
- Q23.If a function f(x) defined by be…Mathematics · Limits Continuity and Differentiability · MCQ
- Q24.Let > 0, > 0 be such that 3 + 2 = 4. If the maximum value of the term independent of x in the binomial expansion of is…Mathematics · Binomial Theorem · MCQ
- Q25.Let A be a 2 2 real matrix with entries from {0, 1} and |A| 0. Consider the following two statements : (P) If A I2 , then |A| = –1 (Q) If |A| = 1, then tr(A) = 2, where I2 denotes 2 2 identity matrix and tr(A)…Mathematics · Matrices and Determinants · MCQ
- Q26.The sum of the first three terms of a G.P. is S and their product is 27. Then all such S lie in :Mathematics · Sequences and Series · MCQ
- Q27.If the letters of the word 'MOTHER' be permuted and all the words so formed (with or without meaning) be listed as in a dictionary, then the position of the word 'MOTHER' is .Mathematics · Permutations and Combinations · Numerical
- Q28.If = 820, (n N) then the value of n is equal to .Mathematics · Limits Continuity and Differentiability · Numerical
- Q29.Let , and be three unit vectors such that += 8. Then …Mathematics · Vector Algebra · Numerical
- Q30.The integral is equal to .Mathematics · Definite Integration · Numerical
- Q31.If p(x) be a polynomial of degree three that has a local maximum value 8 at x = 1 and a local minimum value 4 at x = 2; then p(0) is equal to :Mathematics · Application of Derivatives · MCQ
- Q32.The value of is :Mathematics · Complex Numbers · MCQ
- Q33.The domain of the function f(x) = is (–, -a][a, ). Then a is equal to :Mathematics · Inverse Trigonometric Functions · MCQ
- Q34.Let and be the roots of the equation 5x2 + 6x – 2 = 0. If Sn = n + n, n = 1, 2, 3...., then :Mathematics · Quadratic Equation and Inequalities · MCQ
- Q35.If R = {(x, y) : x, y Z, x2 + 3y2 8} is a relation on the set of integers Z, then the domain of R–1 is :Mathematics · Sets and Relations · MCQ
- Q36.Let X = {x N : 1 x 17} and Y = {ax + b: x X and a, b R, a > 0}. If mean and variance of elements of Y are 17 and 216 respectively then a + b is equal to :Mathematics · Statistics · MCQ
- Q37.Let y = y(x) be the solution of the differential equation, , y > 0,y(0) = 1. If y() = a and at x = is b, then the ordered pair (a, b) is equal to…Mathematics · Differential Equations · MCQ
- Q38.The least count of the main scale of a vernier callipers is 1 mm. Its vernier scale is divided into 10 divisions and coincide with 9 divisions of the main scale. When jaws are touching each other, the 7th division of vernier scale…Physics · Units and Measurements · MCQ
- Q39.A spherical mirror is obtained as shown in the figure from a hollow glass sphere. If an object is positioned in front of the mirror, what will be the nature and magnification of the image of the object? (Figure drawn as schematic and not… Includes diagramPhysics · Geometrical Optics · MCQ
- Q40.In a reactor, 2 kg of 92U235 fuel is fully used up in 30 days. The energy released per fission is 200 MeV. Given that the Avogadro number, N = 6.023 1026 per kilo mole and 1 eV = 1.6 × 10–19 J. The power output of the reactor is…Physics · Atoms and Nuclei · MCQ
- Q41.Consider four conducting materials copper, tungsten, mercury and aluminium with resistivity C, T, M and A respectively. Then :Physics · Current Electricity · MCQ
- Q42.A particle of mass m with an initial velocity collides perfectly elastically with a mass 3 m at rest. It moves with a velocity after collision, then, v is given by :Physics · Center of Mass · MCQ
- Q43.A gas mixture consists of 3 moles of oxygen and 5 moles of argon at temperature T. Assuming the gases to be ideal and the oxygen bond to be rigid, the total internal energy (in units of RT) of the mixture is :Physics · Heat and Thermodynamics · MCQ
- Q44.The mass density of a spherical galaxy varies as over a large distance ‘r’ from its centre. In that region, a small star is in a circular orbit of radius R. Then the period of revolution, T depends on R as :Physics · Gravitation · MCQ
- Q45.Train A and train B are running on parallel tracks in the opposite directions with speeds of 36 km/hour and 72 km/hour, respectively. A person is walking in train A in the direction opposite to its motion with a speed of 1.8 km/ hour.…Physics · Motion in A Straight Line · MCQ
- Q46.If speed V, area A and force F are chosen as fundamental units, then the dimension of Young’s modulus will bePhysics · Units and Measurements · MCQ
- Q47.A small block starts slipping down from a point B on an inclined plane AB, which is making an angle with the horizontal section BC is smooth and the remaining section CA is rough with a coefficient of friction . It is found… Includes diagramPhysics · Work Power and Energy · Numerical
- Q48.A uniform cylinder of mass M and radius R is to be pulled over a step of height a (a < R) by applying a force F at its centre ‘O’ perpendicular to the plane through the axes of the cylinder on the edge of the step (see figure). The… Includes diagramPhysics · Rotational Motion · MCQ
- Q49.Shown in the figure is rigid and uniform one meter long rod AB held in horizontal position by two strings tied to its ends and attached to the ceiling. The rod is of mass ‘m’ and has another weight of mass 2 m hung at a distance of 75 cm… Includes diagramPhysics · Rotational Motion · MCQ
- Q50.A bead of mass m stays at point P(a, b) on a wire bent in the shape of a parabola y = 4Cx2 and rotating with angular speed (see figure). The value of is (neglect friction) : Includes diagramPhysics · Circular Motion · MCQ
- Q51.Two identical strings X and Z made of same material have tension TX and TZ in them. If their fundamental frequencies are 450 Hz and 300 Hz, respectively, then the ratio TX/TZ isPhysics · Waves · MCQ
- Q52.Interference fringes are observed on a screen by illuminating two thin slits 1 mm apart with a light source ( = 632.8 nm). The distance between the screen and the slits is 100 cm. If a bright fringe is observed on a screen at a…Physics · Wave Optics · MCQ
- Q53.A cylindrical vessel containing a liquid is rotated about its axis so that the liquid rises at its sides as shown in the figure. The radius of vessel is 5 cm and the angular speed of rotation is rad s–1. The difference in the… Includes diagramPhysics · Properties of Matter · MCQ
- Q54.A charged particle (mass m and charge q) moves along X-axis with velocity V0. When it passes through the origin it enters a region having uniform electric field which extends upto x = d. Equation of path… Includes diagramPhysics · Electrostatics · MCQ
- Q55.A plane electromagnetic wave, has frequency of 2.0 1010 Hz and its energy density is 1.02 10–8 J/m3 in vacuum. The amplitude of the magnetic field of the wave is close to ( …Physics · Electromagnetic Waves · MCQ
- Q56.A 5 F capacitor is charged fully by a 220 V supply. It is then disconnected from the supply and is connected in series to another uncharged 2.5 F capacitor. If the energy change during the charge redistribution is …Physics · Capacitor · Numerical
- Q57.A circular coil of radius 10 cm is placed in a uniform magnetic field of 3.0 10–5 T with its plane perpendicular to the field initially. It is rotated at constant angular speed about an axis along the diameter of coil and…Physics · Electromagnetic Induction · Numerical
- Q58.When radiation of wavelength is used to illuminate a metallic surface, the stopping potential is V. When the same surface is illuminated with radiation of wavelength 3 , the stopping potential is . If the…Physics · Dual Nature of Radiation · Numerical
- Q59.A beam of protons with speed 4 × 105 ms–1 enters a uniform magnetic field of 0.3 T at an angle of 60° to the magnetic field. The pitch of the resulting helical path of protons is close to : (Mass of the proton = 1.67 10–27 kg,…Physics · Magnetics · MCQ
- Q60.An engine takes in 5 moles of air at 20oC and 1 atm, and compresses it adiabatically to 1/10th of the original volume. Assuming air to be a diatomic ideal gas made up of rigid molecules, the change in its internal energy during this…Physics · Heat and Thermodynamics · Numerical