List of top Questions asked in JEE Advanced

Arrange in order of increasing acidic strength

A particle starts from rest. Its acceleration (a) versus time (t) is as shown in the figure. The maximum speed of the particle will be

2-phenyl propene on acidic hydration, gives

The pair of compounds having metals in their highest oxidation state is

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.

If the lines $\frac{x-1}{2}=\frac{y+3}{3}=\frac{z-1}{4}$ and $\frac{x-3}{1}=\frac{y-k}{2}=\frac{z}{1}$ intersect, then the value of k is

HX is a weak acid ( $ K_a = 10^{ - 5} $ ).lt forms a salt Na (0.1M) on reacting with caustic soda. The degree of hydrolysis of Na X is

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

0.004 MNa$_2SO_4$ is isotonic with 0.01 M glucose. Degree of dissociation of Na$_2SO_4$ is

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?

For a first order reaction, $(A)\to $ product. Concentration of $A$, changes from $0.1\, M$ to $0.025 \,M$ in $40$ minutes the rate of reaction of when concentration of $A$ is $0.01 \,M$ is :

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 ?

Which of the following pairs give positive Tollen's test?

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

The unit vector which is orthogonal to the vector $3\widehat{i} + 2\widehat{j} + 6\widehat{k}$ and is coplanar with the vectors $ 2\widehat{i} + \widehat{j} + \widehat{k}$ and $\widehat{i} + \widehat{j} + \widehat{k}$ is

The methods chiefly used for the extraction of lead and tin from their ores are respectively

The compound having tetrahedral geometry is

Spin only magnetic moment of the compound $Hg[Co(SCN)_4] $ is

If three natural numbers from $1$ to $100$ are selected randomly then probability that all are divisible by both $2$ and $3$, is

Area of triangle formed by the lines $ x + y = 3$ and angle bisectors of the pair of straight lines $x^2 - y^2 + 2y = 1$ is

If the line $2x+\sqrt6y=2$ touches the hyperbola $x^2-2y^2=4$, then the point of contact is

The sides of a triangle are in the ratio $ 1 : \sqrt 3 : 2 $, then the angles of the triangle are in the ratio

If f(x) is differentiable and $\int_0^{t^2}x f(x) dx =\frac{2}{5}t^5,$ then $f\bigg(\frac{4}{25}\bigg)$ equals