Physics · 2018 · 15 Apr · Shift 2
27 questions from this JEE Main paperGuest · filters and generic practice availableBrowsing as a guest · PYQ filters and generic practice are available. Sign in only for personalised features and saved progress.
Physics · 2018 · 15 Apr · Shift 2
27 questions from this JEE Main paper
Electrostatics1 questionsElectromagnetic Waves1 questionsElectromagnetic Induction2 questionsMagnetics1 questionsElectronic Devices1 questionsWave Optics1 questionsCapacitor2 questionsProperties of Matter2 questionsRotational Motion2 questionsMotion in A Plane1 questionsGeometrical Optics1 questionsCurrent Electricity2 questionsWaves1 questionsSimple Harmonic Motion1 questionsHeat and Thermodynamics1 questionsCircular Motion1 questionsCenter of Mass1 questionsUnits and Measurements1 questionsLaws of Motion1 questionsAtoms and Nuclei2 questionsDual Nature of Radiation1 questions
- Q45.A solid ball of radius R has a charge density given by = o (1 ) for 0 r R. The electric field outside the ball is :Physics · Electrostatics · MCQ
- Q46.A plane polarized monochromatic EM wave is traveling in vacuum along z direction such that at t = t1 it is found that the electric field is zero at a spatial point z1. The next zero that occurs in its neighbourhood is at z2. The frequency…Physics · Electromagnetic Waves · MCQ
- Q47.At the center of a fixed large circular coil of radius R, a much smaller circular coil of radius r is placed. The two coils are concentric and are in the same plane. The larger coil carries a current I. The smaller coil is set to rotate…Physics · Electromagnetic Induction · MCQ
- Q48.A current of 1 A is flowing on the sides of an equilateral triangle of side 4.5 10-2 m. The magnetic field at the center of the triangle will be :Physics · Magnetics · MCQ
- Q49.Truth table for the following digital circuit will be : Includes diagramPhysics · Electronic Devices · MCQ
- Q50.A plane polarized light is incident on a polariser with its pass axis aking angle with x-axis, as shown in the figure. At four different values of = 8o, 38o, 188o and 218o, the observed intensities are same.… Includes diagramPhysics · Wave Optics · MCQ
- Q51.A copper rod of mass m slides under gravity on two smooth parallel rails, with separation l and set at an angle of with the horizontal. At the bottom rails are joined by a resistance R. There is a uniform magnetic field B normal… Includes diagramPhysics · Electromagnetic Induction · MCQ
- Q52.A capacitor C1 = 1.0 F is charged up to a voltage V = 60 V by connecting it to battery B through switch (1). Now C1 is disconnected from battery and connected to a circuit consisting of two uncharged capacitors and… Includes diagramPhysics · Capacitor · MCQ
- Q53.As shown in the figure, forces of 105 N each are applied in opposite directions, on the upper and lower faces of a cube of side 10 cm, shifting the upper face parallel to itself by 0.5 cm. If the side of another cube of the same material… Includes diagramPhysics · Properties of Matter · MCQ
- Q54.A thin rod MN, free to rotate in the vertical plane aboutthe fixed end N, is held horizontal. When the end M is released the speed of this end, when the rod makes an angle with the horizontal, will be proportional to : (see figure) Includes diagramPhysics · Rotational Motion · MCQ
- Q55.A thin uniform bar of length and mass m lies on a smooth horizontal table. Two point masses m and 2 m are moving in the same horizontal plane from opposite sides of the bar with speeds 2 and respectively. The… Includes diagramPhysics · Rotational Motion · MCQ
- Q56.A man in a car at location Q on a straight highway is moving with speed . He decides to reach a point P in a field at a distance d from the highway (point M) as shown in the figure. Speed of the car in the field is half to that… Includes diagramPhysics · Motion in A Plane · MCQ
- Q57.A convergent doublet of separated lenses, corrected for spherical aberration, has resultant focal length of 10 cm. The separation between the two lenses is cm. The focal lengths of the component lenses are :Physics · Geometrical Optics · MCQ
- Q58.A parallel plate capacitor with area 200 cm2 and separation between the plates 1.5 cm, is connected across a battery of emf V. If the force of attraction between the plates is the value of V is approximately : …Physics · Capacitor · MCQ
- Q59.A copper rod of cross-sectional area A carries a uniform current I through it. At temperature T, if the volume charge density of the rod is , how long will the changes take to travel a distance d ?Physics · Current Electricity · MCQ
- Q60.5 beats / econd are heard when a tuning fork is sounded with a sonometer wire under tension, when the length of the sonometer wire is either 0.95 m or 1 m. The frequency of the fork will be :Physics · Waves · MCQ
- Q61.Two simple harmonic motions, as shown below, are at right angles. They are combined to form Lissajous figures. x(t) = A sin (at + ) y(t) = B sin (bt) Identify the correct match below.Physics · Simple Harmonic Motion · MCQ
- Q62.The value closest to the thermal velocity of a Helium atom at room temperature (300 K) in ms-1 is : [kB =1.4 10-23 J/K; mHe = 7 10 -27 kg ]Physics · Heat and Thermodynamics · MCQ
- Q63.When an air bubble of radius r rises from the bottom to the surface of a lake its radius becomes Taking the atmospheric pressure to be equal to 10 m height of water column, the depth of the lake would approximately be…Physics · Properties of Matter · MCQ
- Q64.A disc rotates about its axis of symmetry in a horizontal plane at a steady rate of revolutions per second. A coin placed at a distnce of 1.25 cm from the axis of rotation remains at rest on the disc. The coefficient of friction…Physics · Circular Motion · MCQ
- Q65.A proton of mass m collides elastically with a particle of unknown mass at rest. After the collision, the proton and the unknown particle are seen moving at an angle of 90o with respect to each other. The mass of unknown particle is :Physics · Center of Mass · MCQ
- Q66.The characteristic distance at which quantum gravitational effects are significant, the Planck length, can be determined from a suitable combination of the fundamental physical constants G, h and c. Which of the following correctly gives…Physics · Units and Measurements · MCQ
- Q67.A body of mass 2 kg slides down with an acceleration of 3 m/s2 on a rough inclined plane having a slope of . The external force required to take the same body up the plane with the same acceleration will be : (g = 10 m/s2)Physics · Laws of Motion · MCQ
- Q68.A constant voltages is applied between two ends of a metallic wire. If the length is halved and the radius of the wire is doubled, the rate of heat developed in the wire will be :Physics · Current Electricity · MCQ
- Q69.Muon () is a negatively charged (|q| = |e|) particle with a mass m = 200 me, where me is the mass of the electron and e is the electronic charge. If is bond to a proton to form a hydrogen like atom, identify the correct…Physics · Atoms and Nuclei · MCQ
- Q70.An unstable heavy nucleus at rest breaks into two nuclei which move away with velocities in the ratio of 8 : 27. The ratio of the radii of the nuclei (assumed to be spherical) is :Physics · Atoms and Nuclei · MCQ
- Q71.If the de Broglie wavelengths associated with a proton and an -particle are equal, then the ratio of velocities of the proton and the -particle will be :Physics · Dual Nature of Radiation · MCQ