Physics · 2021 · 26 Aug · 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 · 2021 · 26 Aug · Shift 2
27 questions from this JEE Main paper
Heat and Thermodynamics2 questionsDual Nature of Radiation1 questionsCircular Motion1 questionsVector Algebra1 questionsElectromagnetic Waves1 questionsElectrostatics1 questionsCurrent Electricity2 questionsRotational Motion1 questionsCapacitor1 questionsMotion in A Plane1 questionsElectronic Devices2 questionsUnits and Measurements3 questionsAlternating Current1 questionsProperties of Matter1 questionsWaves1 questionsWave Optics1 questionsElectromagnetic Induction2 questionsSimple Harmonic Motion1 questionsMagnetics1 questionsGeometrical Optics1 questionsLaws of Motion1 questions
- Q46.The temperature of equal masses of three different liquids x, y and z are 10 C, 20 C and 30 C respectively. The temperature of mixture when x is mixed with y is 16 C and that when y is mixed with z is 26…Physics · Heat and Thermodynamics · MCQ
- Q47.The de-Broglie wavelength of a particle having kinetic energy E is . How much extra energy must be given to this particle so that the de-Broglie wavelength reduces to 75% of the initial value?Physics · Dual Nature of Radiation · MCQ
- Q48.A particle of mass m is suspended from a ceiling through a string of length L. The particle moves in a horizontal circle of radius r such that . The speed of particle will be :Physics · Circular Motion · MCQ
- Q49.A cylindrical container of volume 4.0 10 3 m3 contains one mole of hydrogen and two moles of carbon dioxide. Assume the temperature of the mixture is 400 K. The pressure of the mixture of gases is : [Take gas constant as 8.3 J…Physics · Heat and Thermodynamics · MCQ
- Q50.The angle between vector and is : Includes diagramPhysics · Vector Algebra · MCQ
- Q51.A light beam is described by . An electron is allowed to move normal to the propagation of light beam with a speed of 3 107 ms 1. What is the maximum magnetic force…Physics · Electromagnetic Waves · MCQ
- Q52.The two thin coaxial rings, each of radius 'a' and having charges +Q and Q respectively are separated by a distance of 's'. The potential difference between the centres of the two rings is :Physics · Electrostatics · MCQ
- Q53.If you are provided a set of resistances 2 , 4 , 6 and 8 . Connect these resistances so as to obtain an equivalent resistance of .Physics · Current Electricity · MCQ
- Q54.The solid cylinder of length 80 cm and mass M has a radius of 20 cm. Calculate the density of the material used if the moment of inertia of the cylinder about an axis CD parallel to AB as shown in figure is 2.7 kg m2. Includes diagramPhysics · Rotational Motion · MCQ
- Q55.A parallel plate capacitor with plate area A has separation d between the plates. Two dielectric slabs of dielectric constant K1 and K2 of same area A/2 and thickness d/2 are inserted in the space between the plates. The capacitance of the… Includes diagramPhysics · Capacitor · MCQ
- Q56.A bomb is dropped by fighter plane flying horizontally. To an observer sitting in the plane, the trajectory of the bomb is a :Physics · Motion in A Plane · MCQ
- Q57.An electric bulb of 500 watt at 100 volt is used in a circuit having a 200 V supply. Calculate the resistance R to be connected in series with the bulb so that the power delivered by the bulb is 500 W.Physics · Current Electricity · MCQ
- Q58.Four NOR gates are connected as shown in figure. The truth table for the given figure is : Includes diagramPhysics · Electronic Devices · MCQ
- Q59.Match List - I with List - II Choose the most appropriate answer from the options given below : Includes diagramPhysics · Units and Measurements · MCQ
- Q60.In the given circuit the AC source has = 100 rad s-1. Considering the inductor and capacitor to be ideal, what will be the current I flowing through the circuit? Includes diagramPhysics · Alternating Current · MCQ
- Q61.If the length of the pendulum in pendulum clock increases by 0.1%, then the error in time per day is :Physics · Units and Measurements · MCQ
- Q62.Two blocks of masses 3 kg and 5 kg are connected by a metal wire going over a smooth pulley. The breaking stress of the metal is Nm-2. What is the minimum radius of the wire ? (Take g = 10 ms-2) Includes diagramPhysics · Properties of Matter · MCQ
- Q63.Two waves are simultaneously passing through a string and their equations are : y1 = A1 sin k(x vt), y2 = A2 sin k(x vt + x0). Given amplitudes A1 = 12 mm and A2 = 5 mm, x0 = 3.5 cm and wave number k = 6.28 cm 1. The amplitude…Physics · Waves · Numerical
- Q64.A source of light is placed in front of a screen. Intensity of light on the screen is I. Two Polaroids P1 and P2 are so placed in between the source of light and screen that the intensity of light on screen is I/2. P2 should be rotated by…Physics · Wave Optics · Numerical
- Q65.If the maximum value of accelerating potential provided by a ratio frequency oscillator is 12 kV. The number of revolution made by a proton in a cyclotron to achieve one sixth of the speed of light is ............... [mp = 1.67 10…Physics · Electromagnetic Induction · Numerical
- Q66.The acceleration due to gravity is found upto an accuracy of 4% on a planet. The energy supplied to a simple pendulum to known mass 'm' to undertake oscillations of time period T is being estimated. If time period is measured to an…Physics · Units and Measurements · Numerical
- Q67.A circular coil of radius 8.0 cm and 20 turns is rotated about its vertical diameter with an angular speed of 50 rad s 1 in a uniform horizontal magnetic field of 3.0 10 2 T. The maximum emf induced the coil will be…Physics · Electromagnetic Induction · Numerical
- Q68.Two simple harmonic motions are represented by the equations and . The amplitude of second motion is ................ times the…Physics · Simple Harmonic Motion · Numerical
- Q69.A coil in the shape of an equilateral triangle of side 10 cm lies in a vertical plane between the pole pieces of permanent magnet producing a horizontal magnetic field 20 mT. The torque acting on the coil when a current of 0.2 A is passed…Physics · Magnetics · Numerical
- Q70.For the given circuit, the power across Zener diode is .............. mW. Includes diagramPhysics · Electronic Devices · Numerical
- Q71.An object is placed at a distance of 12 cm from a convex lens. A convex mirror of focal length 15 cm is placed on other side of lens at 8 cm as shown in the figure. Image of object coincides with the object. When the convex mirror is… Includes diagramPhysics · Geometrical Optics · Numerical
- Q72.The coefficient of static friction between two blocks is 0.5 and the table is smooth. The maximum horizontal force that can be applied to move the blocks together is .................. N. (take g = 10 ms-2) Includes diagramPhysics · Laws of Motion · Numerical