List of top Questions asked in JEE Main- 2026

A square loop of side 2 cm makes angle 60° with magnetic field \( \mathbf{B} = 0.4 \sin(300t) \, T \). Find maximum induced EMF (in mV) in loop.

In the given circuit, current passing through \( R \) is 1 ampere. Now polarity of one cell is reversed, then current through \( R \) becomes \( \frac{\alpha}{5} \) Amp, then find \( \alpha \).

For the reaction find energy released ²₁H + ²₁H → ⁴₂He BE/A for \(^2_1H = 1.1 \, \text{MeV}\) and for \(^4_2He = 7.2 \, \text{MeV}\):

A charge particle when accelerated from rest by a potential difference \(V_1\) has a de-Broglie wavelength \(\lambda_1\), and when accelerated by a potential difference \(V_2\) has a de-Broglie wavelength \(\lambda_2\). If \(\lambda_2 = \frac{3\lambda_1}{2}\), find the ratio \(\frac{V_1}{V_2}\).

If a 6 kg block is released from rest as shown in the figure, then find the velocity of the 6 kg block just before hitting the ground.

Find electric field, for given electrostatic potential at P(2,3), \( V = 5(x^2 - y^2) \)

If minimum deviation for an equilateral prism is \(30^\circ\), then refractive index of the prism is:

Match the following quantities with their dimensions.

Find the final temperature of a mixture of two gases. If one gas has pressure \(P_1\), temperature \(T_1\), number of moles \(n_1\) and volume \(V_1\); and the second gas has pressure \(P_2\), temperature \(T_2\), number of moles \(n_2\) and volume \(V_2\). If the final pressure is \(P\) and final volume is \(V\), find the final temperature of the mixture.

Highest X-O bond order is, (X is central atom)

If \( r_A \) and \( r_B \) are the radii of elements A and B respectively. Element A and B are covalently bonded. What will be the bond length and total length of the molecule?

Statement I: \( \mathrm{ClO_4^-} \), \( \mathrm{ICl_4^-} \), \( \mathrm{IBr_2^-} \) are tetrahedral, square planar and linear respectively.
Statement II: \( \left[\mathrm{Fe(CN)_6}\right]^{4-} \) is \( \mathrm{d^2sp^3} \) hybridized.

Statement I : Aluminium reacts with excess of \( \mathrm{NaOH} \) to form \( [\mathrm{Al(OH)_6}]^{3-} \)
Statement II : For the complex \( [\mathrm{Fe(H_2O)_6}]^{3+} \) : \( \left[ \left( d_{xy} = d_{yz} = d_{zx} \right) < \left( d_{x^2-y^2} = d_{z^2} \right) \right] \)
and for the complex \( [\mathrm{FeCl_4}]^{2-} \) : \( \left[ \left( d_{xy} = d_{yz} = d_{zx} \right) > \left( d_{x^2-y^2} = d_{z^2} \right) \right] \)

Find the distance of the final image from the second lens. Given \(f_1 = 10\,\text{cm}\), \(f_2 = 15\,\text{cm}\). The object is placed \(15\,\text{cm}\) to the left of the first lens and the separation between the lenses is \(15\,\text{cm}\).

Find stability order of the following alkenes:
(a) Cis-but-2-ene
(b) 2,3-Dimethylbut-2-ene
(c) 2-Methylbut-2-ene
(d) Propene

Which compound has total molecular mass of 72 with three primary carbons?

IUPAC name of major product will be:

Grignard reagent \( RmgX \) reacts with water and releases a gas \( X \) which has volume 1.4 dm\(^3\)/g at 1 atm, 273 K.
\( X \) reacts with \( I_2 \) and forms \( Y \) which reacts with Na in the presence of dry ether to form \( Z \). Find the molecular mass of \( Z \).

Statement-I: Glucose exists in two anomeric.
Statement-II: In open chain structure at C-3, C-4, C-5, glucose and fructose have identical configuration.

For the reaction \(A \longrightarrow \text{Product}\), the following graph is observed between half life \((t_{1/2})\) and initial concentration of \(A\). Then find the value of \(x\).

A 3rd order square matrix M satisfies \( M \begin{pmatrix} 1 & 1 & 0 \\ 0 & 1 & 1 \\ 0 & 2 & 1 \end{pmatrix} = \begin{pmatrix} 0 & 0 & 0 \\ 1 & 1 & 0 \\ 0 & 2 & 1 \end{pmatrix} \) and \( M \begin{pmatrix} 0 & -1 \\ 1 & 2 \\ 2 & 1 \end{pmatrix} = \begin{pmatrix} 1 & 1 \\ 2 & 1 \end{pmatrix} \). If \( M \begin{pmatrix} x \\ y \\ z \end{pmatrix} = \begin{pmatrix} 2 \\ 4 \\ 7 \end{pmatrix} \), then \( x + y + z \) is:

Let \( A = \{1, 4, 7\} \), \( B = \{2, 3, 8\} \). Let \( R \) be a relation defined as \[ \{((a_1, b_1), (a_2, b_2)) \in (A \times B) \times (A \times B) : (a_2 + b_1) \text{ divides } (a_1 + b_2)\} \], then find the number of such relations.

Let \( f(n) = \begin{vmatrix} n & -1 & -5 \\ -2n^2 & 3(2k+1) & 2k+1 \\ -3n^3 & 3k(2k+1) & 3k(k+2)+1 \end{vmatrix} \). If \( \sum_{n=1}^{k} f(n) = 98 \), then find \( k \).

Let \( f(x) + 3f\left(\frac{\pi}{2} - x\right) = \sin x \) & maximum value of f is \( \alpha \). If area bounded between \( g(x) = x^2 \) & \( h(x) = \beta x^3 \) (\( \beta >" 0 \)) is \( \alpha^2 \), then \( 30\beta^3 \) is equal to: