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. 1Kinetic energy of a particle of mass 2 kg moving along a circle varies with time t as $K = 3t^{2}$, where t in second and K is in Joules.…Physics· Circular motion· Moderate· figure
  2. 2A uniform disc of radius R lies in the x-y plane, with its centre at origin. its moment of inertia about zaxis is equal to its moment of…Physics· Rigid Body Dynamics· Moderate· figure
  3. 3The speed of a projectile at the highest point is $v_{1}$ and at the point half the maximum height is $v_{2}$. If $\frac{v_{1}}{v_{2}} =…Physics· Projectile Motion· Moderate· figure
  4. 4There are two vectors $\overset{\rightarrow}{OA}\&\overset{\rightarrow}{OB}$. Vector $\overset{\rightarrow}{OA}$ is inxy plane and of…Physics· Vector· Moderate· figure
  5. 5At a height 0.4 m from ground, the velocity of projectile in vector form is$(\overset{\rightarrow}{v} = 6\overset{\hat{}}{i} +…Physics· Projectile Motion· Moderate· figure
  6. 6The acceleration-displacement graph of a particle moving in a straight line is as shown in figure. Initial velocity of particle is zero.…Physics· Kinematics· Moderate· figure
  7. 7A man throws a packet from the top of the tower directly aiming at his friend who is standing on the ground at a certain distance from the…Physics· Projectile Motion· Moderate· figure
  8. 8A plank having mass M is placed on smooth horizontal surface. Block of mass m is placed on it coefficient of friction between block and…Physics· Newton's Laws of Motion· Tough· figure
  9. 9A particle of mass $m = \frac{5}{42}kg$ is tied to an end of an inextensible string and is whirled in a vertical circle as shown below.…Physics· Circular motion· Moderate· figure
  10. 10In the arrangement shown in the figure there is friction only between the light string and the sharp spike at the point P. When the blocks…Physics· Newton's Laws of Motion· Moderate· figure
  11. 11The position-time (x-t) graph of two particles moving along x-axis are as shown [IMAGE] The separation between themPhysics· Kinematics· Moderate· figure
  12. 12In the figure shown a block A of mass m is kept on block B of mass m. A is given a velocity towards right as shown. The coefficient of…Physics· Newton's Laws of Motion· Moderate· figure
  13. 13A particle is dropped from a certain height onto a fixed surface at which it collides inelastically. Which of the following represents true…Physics· Work Power & Energy· Moderate· figure
  14. 14A system is shown in the figure. Block A is moving with 1 m /s towards left. Wedge is moving with 1 m /s towards right. Then speed of the…Physics· Kinematics· Moderate· figure
  15. 15Radiation, with wavelength falls on a metal surface to produce photoelectrons. The electronsare made to enter a uniform magnetic field of…Physics· Modern physics· Moderate· figure
  16. 16Three harmonic waves having equal frequency v and same intensity $I_{0}$, have phase angles 0, $\frac{\pi}{4}$ and$- \frac{\pi}{4}$…Physics· Wave Optics· Easy· figure
  17. 17A particle moving with kinetic energy E has de Broglie wavelength$\lambda$. If energy $\Delta E$ is added to its energy, the wavelength…Physics· Modern physics· Moderate
  18. 18A long, straight wire of radius a carries a current distributed uniformly over its cross-section. The ratioof the magnetic fields due to…Physics· Electrostatics· Moderate· figure
  19. 19A very long wire ABDMNDC is shown in figure carrying current I. AB and BC parts are straight, long and at right angle. At D wire forms a…Physics· Magnetics· Moderate· figure
  20. 20An object is gradually moving away from the focal point of a concave mirror along the axis of the mirror. The graphical representation of…Physics· Ray Optics· Easy
  21. 21In the given circuit diagram, a wire is joining points B and D. The current in this wire isPhysics· Electric current· Easy· figure
  22. 22A galvanometer having a coil resistance $100\Omega$ gives a full scale deflection when a current of 1 mA is passed through it. What is the…Physics· Electric current· Moderate
  23. 23Consider a sphere of radius R which carries a uniform charge density$\rho$. If a sphere of radius $\frac{R}{2}$is carved out of it, as…Physics· Electrostatics· Tough· figure
  24. 24In a double-slit experiment, at a certain point on the screen the path difference between the two interfering waves is $\frac{1}{8}$thof a…Physics· Wave Optics· Moderate