Practice/Question bank/JEE Main

JEE Main practice questions

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

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  1. 1An impulsive force F acts horizontally on a solid sphere of radius R placed on a horizontal surface. Theline of action of the impulsive…Physics· Rotational motion· Tough· figure
  2. 2A uniform magnetic field B in positive z direction exists in a circular region of radius R = 5 m. A loop of radius R = 5m lying in x - y…Physics· figure
  3. 3Consider a particle initially moving with a velocity 7 m/s starts decelerating at a constant rate of$2m/s^{2}$. The distance travelled in…Physics· Kinematics· Moderate· figure
  4. 4In the circuit, if the forward voltage drop for the diode is [IMAGE] the current in the circuit will be (approximately)Physics· electronic device· Easy· figure
  5. 5Three particles each of mass m can slide on fixed frictionless horizontal circular tracks in the same horizontal plane as shown in the…Physics· Center of mass· Tough· figure
  6. 6A uniform solid sphere of radius R and mass M purely rolls down an inclined plane. The coefficient of friction between the sphere and the…Physics· figure
  7. 7In the given A.C. circuit, if battery voltage is[IMAGE], power delivered by battery will have a power factor of[IMAGE]. Find n.Physics· figure
  8. 8A ball is given velocity [IMAGE] as shown. If the ratio of centripetal acceleration totangential acceleration at the point where the ball…Physics· figure
  9. 9A steel wire is rigidly fixed at both ends. Its length, mass and cross sectional area are 1m, 0.01 kg and [IMAGE] respectively. Then the…Physics· figure
  10. 10Figure shows the variation of internal energy "U" with the density "$\rho$ " of one mole of ideal diatomic gas. Process BA is a part of…Physics· Thermodynamics· tough· figure
  11. 11The maximum peak to peak voltage of an AM wave is 24 mV and the minimum peak to peak voltage is 8 mV. The modulation factor isPhysics· Communication system· Moderate· figure
  12. 12A Comet is observed as it passes our solar system. Its closest approach to the sun is r = 6.67 × 10^10 m,at that time it has velocity v = 2…Physics· Gravitation· Easy
  13. 13A uniform elastic rod of cross-section area A, natural length L and Young's modulus Y is placed on asmooth horizontal surface. Now two…Physics· Elasticity· Tough· figure
  14. 14An ideal gas at a pressure of 1 atmosphere andtemperature of 27°C is compressed adiabaticallyuntil its pressure becomes 8 times the…Physics· Thermodynamics· Moderate· figure
  15. 15Two uniform solid spheres of equal radii R, butmass M and 4M have a centre to centre separation 6R, as shown in figure. A projectile of…Physics· Tough· figure
  16. 16A charged particle of mass moving under the influence of uniform electric field $E\overset{\rightarrow}{i}$and a uniform magnetic field…Physics· Magnetics· Tough· figure
  17. 17Consider a sphere of radius R which carries a uniform charge density$\rho$. If a sphere of radius$\frac{R}{2}$iscarved out of it, as shown,…Physics· Electrostatics· Moderate· figure
  18. 18The activity of a radioactive sample falls from [IMAGE] in 30 minutes. Its half life is close toPhysics· Nuclear Physics· Moderate· figure
  19. 19A capacitor is made of two square plates each of side making a very small angle $\alpha$ between them, as shown in figure. The capacitance…Physics· Capacitor· Tough· figure
  20. 20[IMAGE] As shown in the figure, a battery of emf$\varepsilon$ is connected to an inductor L and resistance R in series. The switch is…Physics· Electromagnetic induction· Tough· figure
  21. 21The current I_1 (in A) flowing through 1$\Omega$ resistor in the following circuit isPhysics· Current Electricity· Easy· figure
  22. 22A force F= 4t acts on a particle of mass 1kg. If the particle starts from rest the work done by the force during the first 2 second will be…Physics· Work Power & Energy· Tough· figure
  23. 23In a double-slit experiment, at a certain point on the screen the path difference between the two interfering waves is a wavelength. The…Physics· Wave Optics· Moderate· figure
  24. 24A solid sphere of mass m and radius r is gently placed on a conveyer belt moving with constant velocityV. If the coefficient of friction…Physics· Rotational motion· Tough· figure
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