Physics · 2019 · 10 Jan · 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 · 2019 · 10 Jan · Shift 2
27 questions from this JEE Main paper
Rotational Motion2 questionsCurrent Electricity3 questionsMotion in A Straight Line1 questionsElectrostatics2 questionsWave Optics1 questionsElectronic Devices1 questionsHeat and Thermodynamics3 questionsCapacitor1 questionsSimple Harmonic Motion2 questionsGeometrical Optics1 questionsWork Power and Energy1 questionsMagnetics1 questionsLaws of Motion1 questionsElectromagnetic Waves1 questionsGravitation1 questionsElectromagnetic Induction1 questionsUnits and Measurements1 questionsVector Algebra1 questionsAtoms and Nuclei1 questionsDual Nature of Radiation1 questions
- Q47.Two identical spherical balls of mass M and radius R each are stuck on two ends of a rod of length 2R and mass M (see figure). The moment of inertia of the system about the axis passing perpendicularly through the centre of the rod is : Includes diagramPhysics · Rotational Motion · MCQ
- Q48.The actual value of resistance R, shown in the figure is 30 . This is measuered in an experiment as shown using the standard formula R = , where V and I are the readings of the voltmeter and ammeter,… Includes diagramPhysics · Current Electricity · MCQ
- Q49.The Wheatstone bridge shown in figure, here, gets balanced when the carbon resistor used as R1 has the colour code (Orange, Red, Brown). The resistors R2 and R4 are 80 and 40 , respectively. Assuming that the colour code… Includes diagramPhysics · Current Electricity · MCQ
- Q50.A particle starts from the origin at time t = 0 and moves along the positive x-axis. The graph of velocity with respect to time is shown in figure. What is the position of the particle at time t = 5s ? Includes diagramPhysics · Motion in A Straight Line · MCQ
- Q51.Charges –q and +q located at A and B, respectively, constitude an electric dipole. Distance AB = 2a, O is the mid point of the dipole and OP is perpendicular to AB. A charge Q is placed at P where OP = y and y >> 2a. The charge Q… Includes diagramPhysics · Electrostatics · MCQ
- Q52.Consider a Young’s double slit experiment as shown in figure. What should be the slit separation d in terms of wavelength such that the first minima occurs directly in front of the slit (S1) ? Includes diagramPhysics · Wave Optics · MCQ
- Q53.For the circuit shown below, the current through the Zener diode is - Includes diagramPhysics · Electronic Devices · MCQ
- Q54.A rigid massless rod of length 3l has two masses attached at each end as shown in the figure. The rod is pivoted at point P on the horizontal axis (see figure). When released from initial horizontal position, its instantaneous angular… Includes diagramPhysics · Rotational Motion · MCQ
- Q55.Half mole of an ideal monoatomic gas is heated at constant pressure of 1 atm from 20oC to 90oC. Work done by gas is close to – (Gas constant R = 8.31 J/mol.K)Physics · Heat and Thermodynamics · MCQ
- Q56.A parallel plate capacitor having capacitance 12 pF is charged by a battery to a potential difference of 10 V between its plates. The charging battery is now disconnected and a porcelain slab of dielectric constant 6.5 is slipped between…Physics · Capacitor · MCQ
- Q57.A particle executes simple harmonic motion with an amplitude of 5 cm. When the particle is at 4 cm from the mean position, the magnitude of its velocity in SI units is equal to that of its acceleration. Then, its periodic time in seconds…Physics · Simple Harmonic Motion · MCQ
- Q58.An unknown metal of mass 192 g heated to a temperature of 100oC was immersed into a brass calorimeter of mass 128 g containing 240 g of water at a temperature of 8.4oC. Calculate the specific heat of the unknown metal if water temperature…Physics · Heat and Thermodynamics · MCQ
- Q59.The eye can be regarded as a single refracting surface. The radius of curvature of this surface is equal to that of cornea (7.8 mm). This surface separateds two media of refractive indices 1 and 1.34. Calculate the distance from the…Physics · Geometrical Optics · MCQ
- Q60.A cylindrical plastic bottle of negligible mass is filled with 310 ml of water and left floating in a pond with still water. If pressed downward slightly and released, it starts performing simple harmonic motion at angular frequency …Physics · Simple Harmonic Motion · MCQ
- Q61.A particle which is experiencing a force, given by undergoes a displacement of particle had a kinetic energy of 3 J at the beginning of the…Physics · Work Power and Energy · MCQ
- Q62.A hoop and a solid cylinder of same mass and radius are made of a permanent magnetic material with their magnetic moment parallel to their respective axes. But the magnetic moment of hoop is twice of solid cylinder. They are placed in a…Physics · Magnetics · MCQ
- Q63.Two forces P and Q, of magnitude 2F and 3F, respectively, are at an angle with each other. If the force Q is doubled, then their resultant also gets doubled. Then, the angle is -Physics · Laws of Motion · MCQ
- Q64.Two kg of a monoatomic gas is at a pressure of 4 104 N/m2. The density of the gas is 8 kg/m3. What is the order of energy of the gas due to its thermal motion ?Physics · Heat and Thermodynamics · MCQ
- Q65.The electric field of a plane polarized electromagnetic wave in free space at time t = 0 is given by an expression The magnetic field …Physics · Electromagnetic Waves · MCQ
- Q66.Two stars of masses 3 1031 kg each, and at distance 2 1011 m rotate in a plane about their common centre of mass O. A meteorite passes through O moving perpendicular to the star’s rotation plane. In order to escape from…Physics · Gravitation · MCQ
- Q67.A current of 2 mA was passed through an unknown resistor which dissipated a power of 4.4 W. Dissipated power when an ideal power supply of 11 V is connected across it is -Physics · Current Electricity · MCQ
- Q68.The self induced emf of a coil is 25 volts. When the current in it is changed at uniform rate from 10 A to 25 A in 1s, the change in the energy of the inductance is -Physics · Electromagnetic Induction · MCQ
- Q69.The diameter and height of a cylinder are measured by a meter scale to be 12.6 0.1 cm and 34.2 0.1 cm, respectively. What will be the value of its volume in appropriate significant figures ?Physics · Units and Measurements · MCQ
- Q70.Two vectors and have equal magnitudes. The magnitude of is 'n' times the magnitude of …Physics · Vector Algebra · MCQ
- Q71.Four equal point charges Q each are placed in the xy plane at (0, 2), (4, 2), (4, –2) and (0, –2). The work required to put a fifth charge Q at the origin of the coordinate system will be -Physics · Electrostatics · MCQ
- Q72.Consider the nuclear fission Ne20 2He4 + C12 Given that the binding energy/ nucleon of Ne20, He4 and C12 are, respectively, 8.03 MeV, 7.07 MeV and 7.86 MeV, identify the correct statement -Physics · Atoms and Nuclei · MCQ
- Q73.A metal plate of area 1 10–4 m2 is illuminated by a radiation of intensity 16 mW/m2. The work function of the metal is 5 eV. The energy of the incident photons is 10 eV and only 10% of it produces photo electrons. The number of…Physics · Dual Nature of Radiation · MCQ