JEE Physics - MCQ Practice Questions
Physics is where JEE ranks are usually won or lost, since a single conceptual slip changes the whole answer. Questions here span mechanics, rotational motion, thermodynamics, waves and oscillations, electrostatics, current electricity, magnetism, optics, and modern physics. Numerical problems carry full derivations so you can see which step you skipped, not just which option was right.
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Three objects with masses 1 kg, 2 kg, and 3 kg are connected in a straight line by rigid massless rods. The center of mass from the 1 kg mass is at distance:
A particle moving in circular path has centripetal acceleration a_c and tangential acceleration a_t. The magnitude of total acceleration is:
A solid sphere rolls without slipping down an incline of angle θ. The acceleration of center of mass is:
The coefficient of restitution between two colliding balls is 0.8. If they approach with velocities 5 m/s and 3 m/s, the relative velocity of separation is:
A hollow sphere and solid sphere of equal mass roll down the same incline without slipping. Which reaches the bottom first?
A pendulum with length L is displaced to make angle θ with vertical and released. The velocity at lowest point (for small angles) is approximately:
Two particles have equal kinetic energies but different momenta. Particle A has momentum p_A and particle B has momentum p_B. If m_A > m_B, then:
A particle experiences a force F = 2i + 3j (N) and displacement s = 4i + 6j (m). The work done is:
The potential energy of a particle is U = x² - 2x. The force on particle is:
A uniform rod of mass M and length L is pivoted at one end. The moment of inertia about the pivot is:
A body is projected vertically upward with velocity 40 m/s. If g = 10 m/s², what is the maximum height reached?
A block of mass 5 kg is placed on a frictionless inclined plane at 30°. What is the acceleration down the plane? (g = 10 m/s²)
Two objects of masses m₁ = 2 kg and m₂ = 3 kg are connected by a light string over a pulley. If released from rest, what is their acceleration? (g = 10 m/s²)
A particle moves with constant velocity v = 5 m/s in a circular path of radius 10 m. What is its centripetal acceleration?
A 2 kg mass attached to a spring (k = 200 N/m) oscillates on a frictionless surface. What is the period of oscillation?
What is the moment of inertia of a uniform disc of mass M and radius R about an axis perpendicular to the disc passing through its center?
A block slides down a frictionless incline of height 5 m. What is its speed at the bottom? (g = 10 m/s²)
A 3 kg ball is thrown horizontally from a height of 20 m with initial velocity 15 m/s. What is its horizontal displacement when it hits the ground? (g = 10 m/s²)
Two balls of equal mass collide elastically in a 1D head-on collision. Ball A has velocity 5 m/s and Ball B is at rest. After collision, what is Ball A's velocity?
A car rounds a horizontal curve of radius 100 m at 20 m/s. What minimum coefficient of friction is needed to prevent skidding? (g = 10 m/s²)