List of top Physics Questions asked in JEE Advanced

A spring of force constant $k$ is cut into two pieces such that one piece is double the length of the other. Then the long piece will have a force constant of
A concave lens of glass, refractive index 1.5 has both surfaces of same radius of curvature R. On immersion in a medium of refractive index 1.75, it will behave as a
Yellow light is used in a single slit diffraction experiment with slit width of 0.6 mm. If yellow light is replaced by X-rays, then the observed pattern will reveal
An elliptical cavity is carved within a perfect conductor. A positive charge q is placed at the centre of the cavity. The points A and B are on the cavity surface as shown in the figure.then
A coil of inductance 8.4 mH and resistance $ 6 \Omega$ is connected to a 12 V battery. The current in the coil is 1A at approximately the time
In the circuit shown $P eqR,$ the reading of galvanometer is same with switch S open or closed. Then
Order of magnitude of density of uranium nucleus is $ (m_p = 1.67 \times 10^{-27} Kg ) $
Binding energy per nucleon versus mass number curve for nuclei is shown in figure. W, X, Y and Z are four nuclei indicated on the curve. The process that would release energy is
A particle of mass M at rest decays into two particles of masses $ m_1 \, and \, \, m_2 $ having non-zero velocities. The ratio of the de-Broglie wavelengths of the particles $ \frac{\lambda_1}{\lambda_2} $ is
Two identical circular loops of metal wire are lying on a table without touching each other. Loop A carries a current which increases with time. In response, the loop B
The ratio of the speed of sound in nitrogen gas to that in helium gas, at 300 K. is
A smooth sphere A is moving on a frictionless horizontal plane with angular velocity $?$ and centre of mass velocity v. It collides elastically and head on with an identical sphere B at rest. Neglect friction everywhere. After the collision their angular speeds are $?_A$ and $?_B$ respectively. Then,
A disc of mass M and radius R is rolling with angular speed to on a horizontal plane as shown. The magnitude of angular momentum of the disc about the origin O is
A cubical block of side a moving with velocity v on a horizontal smooth plane as shown. It hits a ridge at point O. The angular speed of the block after it hits O is
A coil of inductance 8.4 mH and resistance $ 6 \Omega$ is connected to a 12 V battery. The current in the coil is 1A at approximately the time
Yellow light is used in a single slit diffraction experiment with slit width of 0.6 mm. If yellow light is replaced by X-rays, then the observed pattern will reveal
A thin slice is cut out of a glass cylinder along a plane parallel to its axis. The slice is placed on a flat plate as shown. The observed interference fringes from this combination shall be
A spring of force constant k is cut into two pieces such that one piece is double the length of the other. Then, the long piece will have a force constant of
A charged particle is released from rest in a region of steady and uniform electric and magnetic fields which are parallel to each other. The particle will move in a
A circular loop of radius R, carrying current I, lies in x-y plane with its centre at origin. The total magnetic flux through x-y plane is
11. A real image of a distant object is formed by a planoconvex lens on its principal axis. Spherical aberration
Susceptibility of a magnetic substance is found to depend on temperature and the strength of the magnetising field. The material is a
Let $ [ \varepsilon_0 ] $ denote the dimensional formula of the permittivity of the vacuum and $ [ \mu_0 ] $ that of the permeability of the vacuum. If $M$ = mass, $L$ = length, $T$ = time and $I$ = electric current.
A particle of mass m is executing oscillation about the origin on the x-axis. Its potential energy is $ U (x) = k [ x ]^ 3,$ where k is a positive constant. If the amplitude of oscillation is a, then its time period T is
Two particles, each of mass m and charge q, are attached to the two ends of a light rigid rod of length 2R. The rod is rotated at constant angular speed about a perpendicular axis passing through its centre. The ratio of the magnitudes of the magnetic moment of the system and its angular momentum about the centre of the rod is