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. 1In the system shown in the figure the friction and mass of rope is negligible, then acceleration of 2 m isPhysics· Moderate· figure
2. 2Find the acceleration of each block.Physics· Tough· figure
3. 3Block M slide down on frictionless inclined plane as shown. Find frictional force acting on block m while it is at rest with respect to the…Physics· Tough· figure
4. 4A block of mass m is at rest on an incline having an angle of inclination θ with the horizontal. The incline is now being rotated with…Physics· Tough· figure
5. 5A rotor is rotating with a constant angular velocity ω about its own axis. At the centre of the rotor a spring is fixed of natural length…Physics· Tough· figure
6. 6A bob of mass m is connected to a spring of spring constant k and a string which is fixed to the ceiling as shown in figure. Original…Physics· Tough· figure
7. 7A ball was thrown at velocity of 10 m/s at 37° to the horizontal. What is the rate of change of its speed when its radius of curvature is…Physics· Medium· figure
8. 8A person projected a small ball with speed U along the floor from point A. If x = 3R, determine the required speed U so that the ball…Physics· Moderate· figure
9. 9The net power P of all the forces acting on a particle versus time curve is shown. Work done upon the particle from A to BPhysics· Easy· figure
10. 10The potential energy for a force field is given by U (x, y) = sin (x + y), the magnitude of force acting on the particle at (0, π/4) isPhysics· Easy· figure
11. 11If in a system force (F), pressure (P) and time (T) is fundamental unit, then dimensional formulae for length will bePhysics· Easy· figure
12. 12has four choicesPhysics
13. 13One unit of power of a motor is 150 Watts in some system of units. If the unit of force is doubled and unit of velocity tripled, then one…Physics· Easy· figure
14. 14A particle is projected from point P with velocity [IMAGE] ms-1 perpendicular to the surface of a hollow right angled cone as shown in…Physics· Moderate· figure
15. 15Two blocks of masses 2 kg and 4 kg are connected through a massless inextensible string. The co-efficient of friction between 2 kg block…Physics· Moderate· figure
16. 16In a uniform gravitational field g, which is acting vertically downward, a ball is thrown at an angle with horizontal such that the initial…Physics· Moderate· figure
17. 17A force given by the relation F = 8t, acts on a body of mass 2 kg, initially at rest. Find the work done by this force on the body during…Physics· Moderate· figure
18. 18A particle is projected upwards with velocity v = 30 m/s. There are two points A and B at heights hA = 25 m and hB = 40m. If the particle…Physics· Moderate· figure
19. 19t = 0 -10 mPhysics· Moderate· figure
20. 2040 m 80 mPhysics· Moderate· figure
21. 21100 m XY.: (Y) )Physics· Easy· figure
22. 22The position of a projectile launched from the origin at t = 0 is given by [IMAGE] at t = 2s. If the projectile was launched at an angle θ…Physics· Moderate· figure
23. 23A projectile is projected at an angle of 37° to the horizontal. When it is projected at 53°, its time of flight on level ground would have…Physics· Moderate· figure
24. 24A boy sits in a chair connected to a rope that passes over a frictionless pulley. He pulls the loose end of the string with such a force…Physics· Moderate· figure