Physics · 2020 · 8 Jan · Shift 1
24 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 · 8 Jan · Shift 1
24 questions from this JEE Main paper
Electrostatics2 questionsDual Nature of Radiation1 questionsCenter of Mass2 questionsRotational Motion1 questionsUnits and Measurements1 questionsProperties of Matter2 questionsGravitation1 questionsMotion in A Plane1 questionsWaves1 questionsGeometrical Optics3 questionsCapacitor1 questionsAtoms and Nuclei1 questionsCircular Motion1 questionsElectromagnetic Induction1 questionsCurrent Electricity1 questionsElectronic Devices1 questionsHeat and Thermodynamics2 questionsMagnetics1 questions
- Q40.In finding the electric field using Gauss Law the formula is applicable. In the formula is permittivity of free space, A…Physics · Electrostatics · MCQ
- Q41.When photon of energy 4.0 eV strikes the surface of a metal A, the ejected photoelectrons have maximum kinetic energy TA eV end de-Broglie wavelength . The maximum kinetic energy of photoelectrons liberated from another metal B…Physics · Dual Nature of Radiation · MCQ
- Q42.The coordinates of centre of mass of a uniform flag shaped lamina (thin flat plate) of mass 4kg. (The coordinates of the same are shown in figure) are : Includes diagramPhysics · Center of Mass · MCQ
- Q43.Consider a uniform rod of mass M = 4m and length pivoted about its centre. A mass m moving with velocity v making angle to the rod's long axis collides with one end of the rod and sticks to it. The angular…Physics · Rotational Motion · MCQ
- Q44.The dimension of stopping potential V0 in photoelectric effect in units of Planck's constant 'h', speed of light 'c' and Gravitational constant 'G' and ampere A is :Physics · Units and Measurements · MCQ
- Q45.Consider a solid sphere of radius R and mass density , The minimum density of a liquid in which it will float is :Physics · Properties of Matter · MCQ
- Q46.Consider two solid spheres of radii R1 = 1m, R2 = 2m and masses M1 and M2, respectively. The gravitational field due to sphere (1) and (2) are shown. The value of is : Includes diagramPhysics · Gravitation · MCQ
- Q47.Three charged particle A, B and C with charges –4q, 2q and –2q are present on the circumference of a circle of radius d. the charged particles A, C and centre O of the circle formed an equilateral triangle as shown in figure. Electric… Includes diagramPhysics · Electrostatics · MCQ
- Q48.A particle is moving along the x-axis with its coordinate with the time 't' given be x(t) = 10 + 8t – 3t2. Another particle is moving the y-axis with its coordinate as a function of time given by y(t) = 5 – 8t3. At t = 1s, the speed of the…Physics · Motion in A Plane · Numerical
- Q49.A one metre long (both ends open) organ pipe is kept in a gas that has double the density of air at STP. Assuming the speed of sound in air at STP is 300 m/s, the frequency difference between the fundamental and second harmonic of this…Physics · Waves · Numerical
- Q50.A point object in air is in front of the curved surface of a plano-convex lens. The radius of curvature of the curved surface is 30 cm and the refractive index of the lens material is 1.5, then the focal length of the lens (in cm) is …Physics · Geometrical Optics · Numerical
- Q51.A body A, of mass m = 0.1 kg has an initial velocity of 3 ms-1 . It collides elastically with another body, B of the same mass which has an initial velocity of 5 ms-1. After collision, A moves with a velocity …Physics · Center of Mass · Numerical
- Q52.The critical angle of a medium for a specific wavelength, if the medium has relative permittivity 3 and relative permeability for this wavelength, will be :Physics · Geometrical Optics · MCQ
- Q53.Effective capacitance of parallel combination of two capacitors C1 and C2 is 10 μF. When these capacitors are individually connected to a voltage source of 1V, the energy stored in the capacitor C2 is 4 times that of C1. If these…Physics · Capacitor · MCQ
- Q54.A leak proof cylinder of length 1m, made of a metal which has very low coefficient of expansion is floating vertically in water at 0°C such that its height above the water surface is 20 cm. When the temperature of water is increased to…Physics · Properties of Matter · MCQ
- Q55.The graph which depicts the results of Rutherford gold foil experiment with -particales is : : Scattering angle Y : Number of scattered -particles detected (Plots are schematic and not to scale)Physics · Atoms and Nuclei · MCQ
- Q56.A particle of mass m is fixed to one end of a light spring having force constant k and unstretched length . The other end is fixed. The system is given an angular speed about the fixed end of the spring such that it rotates…Physics · Circular Motion · MCQ
- Q57.At time t = 0 magnetic field of 1000 Gauss is passing perpendicularly through the area defined by the closed loop shown in the figure. If the magnetic field reduces linearly to 500 Gauss, in the next 5s, then induced EMF in the loop is : Includes diagramPhysics · Electromagnetic Induction · MCQ
- Q58.Four resistances of 15 , 12 , 4 and 10 respectively in cyclic order to form Wheatstone's network. The resistance that is to be connected in parallel with the resistance of 10 to balance the…Physics · Current Electricity · Numerical
- Q59.Boolean relation at the output stage-Y for the following circuit is : Includes diagramPhysics · Electronic Devices · MCQ
- Q60.The magnifying power of a telescope with tube 60 cm is 5. What is the focal length of its eye piece ?Physics · Geometrical Optics · MCQ
- Q61.A thermodynamic cycle xyzx is shown on a V-T diagram. The P-V diagram that best describes this cycle is : (Diagrams are schematic and not to scale) Includes diagramPhysics · Heat and Thermodynamics · MCQ
- Q62.Photon with kinetic energy of 1MeV moves from south to north. It gets an acceleration of 1012 m/s2 by an applied magnetic field (west to east). The value of magnetic field : (Rest mass of proton is 1.6 × 10–27 kg) :Physics · Magnetics · MCQ
- Q63.The plot that depicts the behavior of the mean free time t (time between two successive collisions) for the molecules of an ideal gas, as a function of temperature (T), qualitatively, is: (Graphs are schematic and not drawn to scale)Physics · Heat and Thermodynamics · MCQ