Physics · 2012 · Shift 0
25 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 · 2012 · Shift 0
25 questions from this JEE Main paper
Electronic Devices1 questionsAtoms and Nuclei3 questionsGeometrical Optics1 questionsElectromagnetic Waves1 questionsWave Optics1 questionsElectromagnetic Induction1 questionsMagnetics2 questionsCapacitor1 questionsLaws of Motion1 questionsGravitation1 questionsCurrent Electricity1 questionsElectrostatics2 questionsWaves1 questionsHeat and Thermodynamics2 questionsProperties of Matter1 questionsWork Power and Energy1 questionsMotion in A Plane1 questionsCircular Motion1 questionsUnits and Measurements2 questions
- Q45.Truth table for system of four gates as shown in figure is: Includes diagramPhysics · Electronic Devices · MCQ
- Q46.A diatomic molecule is made of two masses and which are separated by a distance If we calculate its rotational energy by applying Bohr's rule of angular momentum quantization, its energy will be given by: ( is an…Physics · Atoms and Nuclei · MCQ
- Q47.Assume that a neutron breaks into a proton and an electron. The energy released during this process is : (mass of neutron mass of proton mass of electron …Physics · Atoms and Nuclei · MCQ
- Q48.Hydrogen atom is excited from ground state to another state with principal quantum number equal to Then the number of spectral lines in the emission spectra will be :Physics · Atoms and Nuclei · MCQ
- Q49.An object in front of a lens forms a sharp image on a film behind the lens. A glass plate thick, of refractive index is interposed between lens and film with its plane faces parallel to film. At what distance…Physics · Geometrical Optics · MCQ
- Q50.An electromagnetic wave in vacuum has the electric and magnetic field and , which are always perpendicular to each other. The direction of polarization is given by and…Physics · Electromagnetic Waves · MCQ
- Q51.In Young's double slit experiment , one of the slit is wider than other, so that amplitude of the light from one slit is double of that from other slit. If be the maximum intensity, the resultant intensity when they…Physics · Wave Optics · MCQ
- Q52.A coil is suspended in a uniform magnetic field, with the plane of the coil parallel to the magnetic lines of force. When a current is passed through the coil it starts oscillating; It is very difficult to stop. But if an aluminium plate…Physics · Electromagnetic Induction · MCQ
- Q53.A charge is uniformly distributed over the surface of non-conducting disc of radius The disc rotates about an axis perpendicular to its plane and passing through its center with an angular velocity As a result of this…Physics · Magnetics · MCQ
- Q54.The figure shows an experimental plot for discharging of a capacitor in an R-C circuit. The time constant of this circuit lies between Includes diagramPhysics · Capacitor · MCQ
- Q55.A particle of mass is at rest at the origin at time It is subjected to a force in the direction. Its speed is depicted by which of the following curves?Physics · Laws of Motion · MCQ
- Q56.Proton, deuteron and alpha particle of same kinetic energy are moving in circular trajectories in a constant magnetic field. The radii of proton, denuteron and alpha particle are respectively and . Which one of…Physics · Magnetics · MCQ
- Q57.The mass of a spaceship is It is to be launched from the earth's surface out into free space. The value of and (radius of earth ) are and respectively. The required energy for this work will be:Physics · Gravitation · MCQ
- Q58.Two electric bulbs marked and are connected in series to a supply. Which of the bulbs will fuse?Physics · Current Electricity · MCQ
- Q59.This question has statement- and statement- Of the four choices given after the statements, choose the one that best describe the two statements. An insulating solid sphere of radius has a uniformly positive charge density …Physics · Electrostatics · MCQ
- Q60.In a uniformly charged sphere of total charge and radius the electric field is plotted as function of distance from the center. The graph which would correspond to the above will be:Physics · Electrostatics · MCQ
- Q61.A cylindrical tube, open at both ends, has a fundamental frequency, in air. The tube is dipped vertically in water so that half of it is in water. The fundamental frequency of the air-column is now :Physics · Waves · MCQ
- Q62.A wooden wheel of radius is made of two semicircular part (see figure). The two parts are held together by a ring made of a metal strip of cross sectional area and length is slightly less than To fit the ring on the… Includes diagramPhysics · Heat and Thermodynamics · MCQ
- Q63.Helium gas goes through a cycle (consisting of two isochoric and isobaric lines) as shown in figure efficiency of this cycle is nearly : (Assume the gas to be close to ideal gas) Includes diagramPhysics · Heat and Thermodynamics · MCQ
- Q64.A thin liquid film formed between a U-shaped wire and a light slider supports a weight of (see figure). The length of the slider is and its weight negligible. The surface tension of the liquid film is Includes diagramPhysics · Properties of Matter · MCQ
- Q65.This question has Statement and Statement Of the four choices given after the Statements, choose the one that best describes the two Statements. If two springs and of force constants and ,…Physics · Work Power and Energy · MCQ
- Q66.A boy can throw a stone up to a maximum height of 10 m. The maximum horizontal distance that the boy can throw the same stone up to will bePhysics · Motion in A Plane · MCQ
- Q67.Two cars of masses m1 and m2 are moving in circles of radii r1 and r2, respectively. Their speeds are such that they make complete circles in the same time t. The ratio of their centripetal acceleration isPhysics · Circular Motion · MCQ
- Q68.A spectrometer gives the following reading when used to measure the angle of a prism. Main scale reading: 58.5 degree Vernier scale reading : 09 divisions Given that 1 division on main scale corresponds to 0.5 degree. Total divisions on…Physics · Units and Measurements · MCQ
- Q69.Resistance of a given wire is obtained by measuring the current flowing in it and the voltage difference applied across it. If the percentage errors in the measurement of the current and the voltage difference are 3% each, then error in…Physics · Units and Measurements · MCQ