Physics · 2020 · 5 Sep · Shift 2
23 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 · 2020 · 5 Sep · Shift 2
23 questions from this JEE Main paper
Heat and Thermodynamics3 questionsProperties of Matter1 questionsWave Optics1 questionsMotion in A Straight Line1 questionsCurrent Electricity2 questionsCapacitor2 questionsGravitation1 questionsMagnetics1 questionsRotational Motion2 questionsElectronic Devices1 questionsElectromagnetic Waves1 questionsElectrostatics1 questionsUnits and Measurements1 questionsLaws of Motion1 questionsWork Power and Energy1 questionsDual Nature of Radiation1 questionsGeometrical Optics1 questionsElectromagnetic Induction1 questions
- Q36.Nitrogen gas is at 300oC temperature. The temperature (in K) at which the rms speed of a H2 molecule would be equal to the rms speed of a nitrogen molecule, is . (Molar mass of N2 gas 28 g).Physics · Heat and Thermodynamics · Numerical
- Q37.In an experiment to verify Stokes law, a small spherical ball of radius r and density falls under gravity through a distance h in air before entering a tank of water. If the terminal velocity of the ball inside water is same as its…Physics · Properties of Matter · MCQ
- Q38.Two coherent sources of sound, S1 and S2, produce sound waves of the same wavelength, = 1 m, in phase. S1 and S2 are placed 1.5 m apart (see fig). A listener, located at L, directly in front of S2 finds that the intensity is at a… Includes diagramPhysics · Wave Optics · MCQ
- Q39.The velocity (v) and time (t) graph of a body in a straight line motion is shown in the figure. The point S is at 4.333 seconds. The total distance covered by the body in 6 s is : Includes diagramPhysics · Motion in A Straight Line · MCQ
- Q40.A galvanometer is used in laboratory for detecting the null point in electrical experiments. If, on passing a current of 6 mA it produces a deflection of 2o, its figure of merit is close to :Physics · Current Electricity · MCQ
- Q41.A parallel plate capacitor has plate of length 'l', width ‘w’ and separation of plates is ‘d’. It is connected to a battery of emf V. A dielectric slab of the same thickness ‘d’ and of dielectric constant k = 4 is being inserted between…Physics · Capacitor · MCQ
- Q42.The acceleration due to gravity on the earth’s surface at the poles is g and angular velocity of the earth about the axis passing through the pole is . An object is weighed at the equator and at a height h above the poles by using…Physics · Gravitation · MCQ
- Q43.In an adiabatic process, the density of a diatomic gas becomes 32 times its initial value. The final pressure of the gas is found to be n times the initial pressure. The value of n is :Physics · Heat and Thermodynamics · MCQ
- Q44.An iron rod of volume 10–3 m3 and relative permeability 1000 is placed as core in a solenoid with 10 turns/cm. If a current of 0.5 A is passed through the solenoid, then the magnetic moment of the rod will be :Physics · Magnetics · MCQ
- Q45.A thin rod of mass 0.9 kg and length 1 m is suspended, at rest, from one end so that it can freely oscillate in the vertical plane. A particle of move 0.1 kg moving in a straight line with velocity 80 m/s hits the rod at its bottom most… Includes diagramPhysics · Rotational Motion · Numerical
- Q46.In the circuit, given in the figure currents in different branches and value of one resistor are shown. Then potential at point B with respect to the point A is : Includes diagramPhysics · Current Electricity · MCQ
- Q47.Two Zener diodes (A and B) having breakdown voltages of 6 V and 4 V respectively, are connected as shown in the circuit below. The output voltage V0 variation with input voltage linearly increasing with time, is given by : (Vinput = 0 V at… Includes diagramPhysics · Electronic Devices · MCQ
- Q48.Two different wires having lengths L1 and L2, and respective temperature coefficient of linear expansion 1 and 2, are joined end-to-end. Then the effective temperature coefficient of linear expansion is :Physics · Heat and Thermodynamics · MCQ
- Q49.The correct match between the entries in column I and column II are : Includes tablePhysics · Electromagnetic Waves · MCQ
- Q50.Ten charges are placed on the circumference of a circle of radius R with constant angular separation between successive charges. Alternate charges 1, 3, 5, 7, 9 have charge (+q) each, while 2, 4, 6, 8, 10 have charge (–q) each. The…Physics · Electrostatics · MCQ
- Q51.The quantities x = , y = and z = are defined where C-capacitance, R-Resistance, l-length, E-Electric field, B-magnetic field and , ${{\mu…Physics · Units and Measurements · MCQ
- Q52.A ring is hung on a nail. It can oscillate, without slipping or sliding (i) in its plane with a time period T1 and, (ii) back and forth in a direction perpendicular to its plane, with a period T2. The ratio will…Physics · Rotational Motion · MCQ
- Q53.A spaceship in space sweeps stationary interplanetary dust. As a result, its mass increases at a rate = bv2(t), where v(t) is its instantaneous velocity. The instantaneous acceleration of the satellite…Physics · Laws of Motion · MCQ
- Q54.A body of mass 2 kg is driven by an engine delivering a constant power of 1 J/s. The body starts from rest and moves in a straight line. After 9 seconds, the body has moved a distance (in m) .Physics · Work Power and Energy · Numerical
- Q55.The surface of a metal is illuminated alternately with photons of energies E1 = 4 eV and E2 = 2.5 eV respectively. The ratio of maximum speeds of the photoelectrons emitted in the two cases is 2. The work function of the metal in (eV) is …Physics · Dual Nature of Radiation · Numerical
- Q56.A prism of angle A = 1o has a refractive index = 1.5. A good estimate for the minimum angle of deviation (in degrees) is close to . Value of N is .Physics · Geometrical Optics · Numerical
- Q57.In the circuit shown, charge on the 5 F capacitor is : Includes diagramPhysics · Capacitor · MCQ
- Q58.An infinitely long, straight wire carrying current I, one side opened rectangular loop and a conductor C with a sliding connector are located in the same plane, as shown, in the figure. The connector has length and resistance R. It… Includes diagramPhysics · Electromagnetic Induction · MCQ