List of top Physics Questions asked in JEE Advanced

White light is incident on the interface of glass and air as shown in the figure. If green light is just totally internally reflected then the emerging ray in air contains.

An electron moving with a speed u along the positive x-axis at y = 0 enters a region of uniform magnetic field $B=-B_0 k$ which exists to the right of v-axis. The electron exits from the region after sometime with the speed v at coordinate y, then

For the post office box arrangement to determine the value of unknown resistance, the unknown resistance should be connected between

A block P of mass m is placed on a horizontal frictionless plane. A second block of same mass m is placed on it and is connected to a spring of spring constant k, the two blocks are pulled by a distance A. Block Q oscillates without slipping. What is the maximum value of frictional force between the two blocks?

Consider the charge configuration and a spherical Gaussian surface as shown in the figure. When calculating the flux of the electric field over the spherical surface, the electric field will be due to.

Six charges, three positive and three negative of equal magnitude are to be placed at the vertices of a regular hexagon such that the electric field at O is double the electric field when only one positive charge of same magnitude is placed at R Which of the following arrangements of charge is possible for, P, Q, R, S, T and U respectively ?

Two identical conducting rods are first connected independently to two vessels, one containing water at 100$^{\circ}$C and the other containing ice at 0$^{\circ}$C. In the second case, the rods are joined end to end and connected to the same vessels. Let q$_1$ and q$_2$ gram per second be the rate of melting of ice in the two cases respectively. The ratio $\frac{q_1}{q_2}$ is

An ideal gas expands isothermally from a volume $V_1$ to $ V_2$and then compressed to original volume $V_1$ adiabatically. Initial pressure is p$_1$ and final pressure is p$_3$. The total work done is W. Then,

After 280 days, the activity of a radioactive sample is 6000 dps. The activity reduces to 3000 dps after another 140 days. The initial activity of the sample in dps is

A source of sound of frequency 600 Hz is placed inside water. The speed of sound in water is 1500m/s and in air it is 300 m/s. The frequency of sound recorded by an observer who is standing in air is

A particle is placed at the origin and a force F = kx is acting on it (where k is a positive constant). If U (0) = 0, the graph of U (x) versus x will be (where U is the potential energy function)

Liquid oxygen at 50 K is heated to 300 K at constant pressure of 1 atm. The rate of heating is constant. Which of the following graphs represent the variation of temperature with time?

A ray of light is incident on an equilateral glass prism placed on a horizontal table. For minimum deviation which of the following is true ?

The size of the image of an object, which is at infinity, as formed by a convex lens of focal length 30 cm is 2 cm. If a concave lens of focal length 20 cm is placed between the convex lens and the image at a distance of 26 cm from the convex lens, calculate the new size of the image.

2 kg of ice at -20$^{\circ}$C is mixed with 5 kg of water at 20$^{\circ}$C in an insulating vessel having a negligible heat capacity. Calculate the final mass of water remaining in the container. It is given that the specific heats of water and ice are 1 kcal/kg / $^{\circ}$C and 0.5 kcal/kg /$^{\circ}$C while the latent heat of fusion of ice is 80 kcal/kg

When an AC source of emf $e =E_0$ sin (100t) is connected across a circuit, the phase difference between the emf e and the current i in the circuit is observed to be $ \frac{\pi}{4}$ ahead, as shown in the diagram. If the circuit consists possibly only of R-C or R-L or L-C in series, find the relationship between the two elements.

Two rods,one of aluminium and the other made of steel ,having initial length $l_1 + l_2$. are connected together to form a single rod of length $l_1+l_2$. The coefficients of linear expansion for aluminium and steel are $\alpha_a$ and $\alpha_s$ respectively. if the lenght of each rod increases by the same amount when their temperature are raised by t$^{\circ}C,$then find the ratio $\frac{l_1}{l_1+l_2}$

Which of the following set-up can be used to verify Ohm's law ?

For a particle executing SHM the displacement x is given by x = A cos $\omega t$. Identify the graph which represents the variation of potential energy (PE) as a function of time t and displacement x.

In the adjacent diagram, CP represents a wavefront and AO and iBP, the corresponding two rays. Find the condition of $\theta$ for constructive interference at P between the ray BP and reflected ray OP

If $ W_1, W_2 $ and $ W_ 3 $ represent the work done in moving a particle from A to B along three different paths 1, 2 and 3 respectively (as shown) in the gravitational field of a point mass m. Find the correct relation between $ W_1, W_2 \, \, and \, \, W_ 3 $

For uranium nucleus how does its mass vary with volume ?

A police car moving at 22 m/s chases a motorcyclist. The police man sounds his hom at 176 Hz, while both of them move towards a stationary siren of frequency 165 Hz. Calculate the speed of the motorcycle, if it is given that the motorcyclist does not observe any beats (speed of sound = 330 m/s).

A cube has a side of length $1.2 \times 10^{ - 2 }\, m$. Calculate its volume.