List of top Questions asked in JEE Main

For a reaction taking place in three steps at the same temperature, the overall rate constant $ K = \frac{K_1 K_2}{K_3} $. If $ E_{a1} $, $ E_{a2} $, and $ E_{a3} $ are 40, 50, and 60 kJ/mol respectively, the overall $ E_a $ is ____ kJ/mol.

Calculate the Molarity of a Solution having density = $1.5$ $g/ml$. $\%(w/w)$ of Solute is $36\%$ and Molecular weight of Solute is $36$ $g/mol$

In the following reactions, find the product A and B

The major product formed in the following reaction is-

Energy difference between actual structure and its most stable resonating structure having least energy is called

For $ 0 < a < 1 $, the value of the integral \[ \int_{0}^{\frac{\pi}{2}} \frac{dx}{1 - 2a \cos x + a^2} \] is:

If $\frac{dy}{dx}$= $\frac{(x+y-2)}{(x-y)}$, and y(0) = 2, find y(2)

The integral $$ \int \frac{x^8 - x^2}{(x^{12} + 3x^6 + 1) \tan^{-1}\left( \frac{x^3 + 1}{x^3} \right)} \, dx $$ is equal to:

Coefficient of x²⁰¹² in (1-x)²⁰⁰⁸(1+x+x²)²⁰⁰⁷ is equal to ___

Which of the following is strongest Bronsted base?

A particle performing simple harmonic motion is such that its amplitude is 4 m and speed of particle at mean position is 10 m/s. Find the distance of particle from mean position where velocity becomes 5 m/s.

If the refractive index of the material of a prism is $cot\bigg(\frac{A}{2}\bigg)$, where A is the angle of the prism, then the angle of minimum deviation will be:

Given below are two statements:
Statement (I): Planck's constant and angular momentum have the same dimensions.
Statement (II): Linear momentum and moment of force have the same dimensions.
In the light of the above statements, choose the correct answer from the options given below:

Two bodies of mass 4 g and 25 g are moving with equal kinetic energies. The ratio of the magnitude of their linear momentum is:

The total kinetic energy of 1 mole of oxygen at 27°C is :
[Use universal gas constant (R)= 8.31 J/mole K]

Two nucleotides are joined together by a linkage known as:

The electronic configuration of Neodymium (60) Nd is

If the work function of a metal is 6.63 eV, then find the threshold frequency for photoelectric effect.

IUPAC name of the following compound (P) is:

Given below are two statements :
Statement (I) : The limiting force of static friction depends on the area of contact and independent of materials.
Statement (II) : The limiting force of kinetic friction is independent of the area of contact and depends on materials.
In the light of the above statements, choose the most appropriate answer from the options given below :

Four distinct points $ (2k, 3k), (1, 0), (0, 1) $ and $ (0, 0) $ lie on a circle for $ k $ equal to:

If $ (a, b) $ be the orthocenter of the triangle whose vertices are $ (1, 2) $, $ (2, 3) $, and $ (3, 1) $, and $ I_1 = \int_a^b x \sin(4x - x^2) dx $, $ I_2 = \int_a^b \sin(4x - x^2) dx $, then $ 36 \frac{I_1}{I_2} $ is equal to:

If $å= î+2ĵ + k, b = 3(î - ĵ + k), å · c = 3$ and $å \times č = b$, then $å·((xb)-b-č)$=

$\int^1_0\frac{1}{\sqrt{3+x}+\sqrt{1+x}}dx=a+b\sqrt2+c\sqrt3$ then $2a-3b-4c$ is equal to _____.

If $n-1C_r= (k^2-8)^nC_r+1$ Find $k$.