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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Two point charges of +2 μC and -2 μC are placed 10 cm apart. What is the electric field at a point midway between them?
The electric potential due to a point charge is V = kq/r. If the charge is doubled and distance is halved, the potential becomes:
A conducting sphere of radius 10 cm carries a charge of 5 μC. The electric field at a distance of 5 cm from the center inside the conductor is:
A parallel plate capacitor has plates of area A separated by distance d. If a dielectric of constant K is inserted between the plates, the capacitance becomes:
The electric flux through a closed surface enclosing a net charge of 10 μC is:
An electric dipole with dipole moment p is placed in uniform electric field E at angle θ to the field. The torque on dipole is:
Two identical conducting spheres carry charges Q₁ and Q₂. They are brought in contact and then separated. The final charge on each sphere is:
The electric field inside a uniformly charged spherical shell of radius R and charge Q at a distance r from center (r < R) is:
A uniformly charged infinite plane sheet has surface charge density σ. What is the electric field at a distance d from the sheet?
A point charge q is enclosed by a closed surface. If the surface is deformed without changing the charge enclosed, the electric flux through the surface:
An electron is projected horizontally with velocity v into a uniform electric field E pointing downward. Its trajectory is:
A uniformly charged sphere of radius R and total charge Q has its charge density reduced by half. The electric potential at the surface becomes:
An electric dipole experiences maximum torque when placed in a uniform electric field at angle θ with respect to the field. The value of θ is:
A test charge q is moved from point A to point B in an electric field. The work done by the field is 100 J. If the same charge is moved from B to A, the work done is:
A uniformly charged infinite plane sheet has surface charge density σ. What is the electric field at a distance from the sheet?
An electric dipole with dipole moment p is placed in a non-uniform electric field. Which statement is correct?
The potential at distance r from a point charge Q is V. If the distance is doubled, the new potential is:
A charged particle enters a uniform electric field perpendicularly. Its path is:
What is the capacitance of an isolated conducting sphere of radius R in vacuum?
The energy stored in a capacitor of capacitance C charged to potential V is: