Practice/Question bank/JEE Main

JEE Main practice questions

NTA-style Physics, Chemistry and Maths MCQs with solutions. 2,688 questions in the bank.

  1. 1A small 1 kg mass is launched from the top of a cliff with speed V at an angle of 30° above the horizontal. When the mass reaches the…Physics· figure
  2. 2Which one of the following choices is closest to the order of the angular momentum of the Earth (expressed in base MKS units) associated…Physics· figure
  3. 3An electromagnetic wave has an electric field given by the expression (in Cartesian co-ordinates): [IMAGE] What is the direction of the…Physics· figure
  4. 4A uniform solid cylinder of mass M = 2 kg and radius R = 10 cm is connected about an axis through the centre of the cylinder to a…Physics· figure
  5. 5The diagram below shows the lowest four energy levels for an electron in a hypothetical atom. The electron is excited to the -1eV level of…Physics· figure
  6. 6A positively charged particle is moved in a straight line to the right from position x = -4 m to position x = -2 m by an external agent.…Physics
  7. 7A hollow conducting sphere of inner radius R and outer radius 2R is given a charge Q as shown in the figure, then thePhysics· figure
  8. 8Four functions given below describe motion of a particle. (I) y = sin ωt - cos ωt, (II) y = sin3 wt, (III) y = 5 cos [IMAGE], (IV) y = 1 +…Physics· figure
  9. 9has four choicesPhysics
  10. 10Four metal rods all of identical dimensions and made of same material are welded together at a single point. The configuration is such that…Physics
  11. 11Gravitational force between two identical uniform solid gold spheres of radius r each in contact is proportional to n power of r. Then…Physics· figure
  12. 12Find the resultant focal length (in cm ) for following system where the common radius of curvature is 15 cm. Glass has refractive index of…Physics· figure
  13. 13In figure a wire perpendicular to a long straight wire is moving parallel to it with a speed v = 10 m/s in the direction of the current…Physics· figure
  14. 14A mass of material exists in its solid form at its melting temperature 10°C. The following processes then occur to the material: Process-1:…Physics· figure
  15. 15In a Young's double slit experiment sources of equal intensities are used. Distance between slits is d and wavelength of light used is λ(λ…Physics· figure
  16. 16A mixture of two moles of hydrogen and one mole of argon gas is taken in a closed container at room temperature. Consider the following two…Physics· figure
  17. 17The primary purpose of using a parabolic mirror in a reflecting telescope isPhysics
  18. 18Three polaroids are kept coaxially. Angle between the first and third polaroid is 90°. Angle between the first and second polaroid is 60°.…Physics· figure
  19. 19Statement-1: In a dynamo, it is necessary that coil should be moving and magnet should be stationary and not vice versa. Statement-2:…Physics
  20. 20An electron starting from rest and accelerated through V = 20,000 V in an x-ray tube loses half the energy it acquired as it approaches an…Physics· figure
  21. 21A wire of circular cross section has inner portion of radius R made of material of resisitivity ρ and is surrounded by an outer portion of…Physics· figure
  22. 22has four choicesPhysics
  23. 23A solid cylinder of mass m is placed over the trolley as shown in the figure. The trolley starts to move forward with constant horizontal…Physics· figure
  24. 24The frequency of incident light falling on photo sensitive substance is doubled. If E_1 is the kinetic energy of emitted electron in first…Physics· figure