List of top Questions asked in JEE Main- 2026

An object is being dropped from a height \(h\) above the ground. Apart from the force of gravity, an additional drag force \(F=-kv\) acts on the object. Find the correct graph of velocity \(v\) versus time \(t\).

In Carius method of estimation of ‘Br’, 1.53 g of an organic compound gave 1 g AgBr. The % of Br in the organic compound is: (Atomic mass of Ag, Br = 108, 80 u respectively)

There are three long parallel wires in a plane as shown. Find the force on \(15\) cm of length of the middle wire.

Given below are two statements:
Statement (I): The dimensions of Planck's constant and angular momentum are same.
Statement (II): In Bohr's model, electrons revolve around the nucleus only in those orbits for which angular momentum is an integral multiple of Planck's constant.
In the light of the above statements, choose the most appropriate answer from the options given below:

A block of mass \( m \) is at rest w.r.t. a hollow cylinder which is rotating with angular speed \( \omega \), radius of the cylinder is \( R \). Find the minimum coefficient of friction between the block and the cylinder.

RMS speed for \( \mathrm{H_2} \) and \( \mathrm{O_2} \) are same. If temperature of \( \mathrm{O_2} \) gas is \( 23^\circ\text{C} \), find the temperature of \( \mathrm{H_2} \) gas.

For the given circuit arrangement, find the charge on the capacitor in steady state.

An electron in a hydrogen-like atom has energy equal to \( -0.04 E_0 \), where \( E_0 \) is the magnitude of energy of this electron in ground state in eV. If the angular momentum of this electron is \( L \), then the value of \( \frac{2 \pi L}{h} \) is (where \( h \) is Planck's constant).

Find magnetic field at point ‘O’ in the given figure.

Two physical quantities \( x \) and \( y \) have measured values 23.01 and 37.3 respectively. Then the value of \( x + y \) is:

Two cars moving parallelly to each other with the velocities shown. Initial separation between cars is \( r = 10 \, \text{m} \). Find angular momentum of car A w.r.t. car B.

A boat crosses a river, 200 m wide, in minimum possible time. If the velocity of the river is 5 m/s and the velocity of the boat in still water is 10 m/s, then find the time taken to cross the river and displacement of the boat.

In the diagram given below, pulley is a ring of mass \( M \) and radius \( R \) fitted with two rods each of mass \( m \) and length \( 2R \) along the diameter such that if the pulley rotates, the rods also rotate with the same angular velocity.

Find the magnitude of the acceleration of \( m \) when the system is released.

Given below are two statements: Statement I: The correct order for radius is \( \text{Al}>\text{Mg}>\text{Mg}^{2+}>\text{Al}^{3+} \). Statement II: Atomic size always depends on electronegativity. In the light of the above statements, choose the correct option.

What will be the significant figure of the summation of 0.153, 153.2, and 1532?

Which of the following statements are true? (i) Mn has highest oxidation state in \( \text{Mn}_2\text{O}_7 \) (ii) \( \text{MnO} \) is more ionic than \( \text{Mn}_2\text{O}_7 \) (iii) \( \text{Mn}_2\text{O}_7 \) has one bridging O atom (iv) Oxidation state of Mn is generally maximum in oxo compounds

1 g of an organic compound produces 1.49 g of \( \text{Mg}_2\text{P}_2\text{O}_7 \). Determine the percentage of phosphorus (P).

\[ \int_0^1 \cot^{-1} \left( x^2 + x + 1 \right) \, dx \] is equal to:

The number of solutions of the equation \( \tan 3x = \cot x \) in \( x \in [0, 2\pi] \) is:

The largest value of \( n \in \mathbb{N} \) such that \( 7^n \) divides \( 101! \) is ______.

The minimum value of \( (\sin^{-1} x)^2 + (\cos^{-1} x)^2 \) in \( x \in \left[ \frac{\sqrt{3}}{2}, \frac{1}{\sqrt{2}} \right] \) is \( \frac{a \pi^2}{b} \), then \( a + b \) is:

Two discs having the same moment of inertia about their axis. Thickness is \( t_1 \) and \( t_2 \), and they have the same density. If \( \frac{R_1}{R_2} = \frac{1}{2} \), then find \( \frac{t_1}{t_2} \).