List of top Questions asked in JEE Main- 2025

The dimensions of a physical quantity \( \epsilon_0 \frac{d\Phi_E}{dt} \) are similar to:
A compound having molecular formula \( \text{MX}_3 \) has van't Hoff factor of 2. What is the degree of dissociation?
The area bounded by the curves \( y = 4 - \frac{x^2}{4} \) and \( y = \frac{x - 4}{2} \) (in square units) is:
Let \( A \) be a set defined as \( A = \{ 2, 3, 6, 9 \} \). Find the number of singular matrices of order \( 2 \times 2 \) such that elements are from the set \( A \).

The remainder when \( 64^{64} \) is divided by 7 is equal to:

In a resonance tube closed at one end. Resonance is obtained at lengths \( l_1 = 120 \, \text{cm} \) and \( l_2 = 200 \, \text{cm} \). If \( v_s = 340 \, \text{m/s} \), find the frequency of sound.

The dimensions of a physical quantity \( \epsilon_0 \frac{d\Phi_E}{dt} \) are similar to [Symbols have their usual meanings]

Let there be two A.P.'s with each having 2025 terms. Find the number of distinct terms in the union of the two A.P.'s, i.e., \( A \cup B \), if the first A.P. is \( 1, 6, 11, \dots \) and the second A.P. is \( 9, 16, 23, \dots \).
One mole of an ideal gas expands from 10 dm\(^3\) to 20 dm\(^3\) through an isothermal reversible process. Find \( \Delta U \), \( q \), and \( w \).
Incorrect order of atomic radius is?
The sum of the series \( 1 + 3 + 5^2 + 7 + 9^2 + \dots \) up to 80 terms is?
Mean free path for an ideal gas is observed to be 20 μm while the average speed of molecules of gas is observed to be 600 m/s, then the frequency of collision is near?
If the equation of an ellipse \( E \) is \( \frac{x^2}{9} + \frac{y^2}{16} = 1 \), then the length of the latus rectum of \( E \) is?
Which of the following pair of ions have equal number of unpaired electrons?
A ring and a solid sphere are released from rest from the same height on enough rough inclined surface. The ratio of their speed when they reach the bottom is \( \sqrt{\frac{7}{x}} \) m/s, then \( x \) is ______.
Solve \( \int_{-1}^{1} \frac{1+2x}{e^{-x} + e^x} \, dx \).
Which of the following is the ratio of 5\(^\text{th}\) Bohr orbit \( (r_5) \) of He\(^+\) & Li\(^{2+}\)?
Find the dimension of \( \frac{E}{B} \) where, E represents electric field and B represents magnetic field.
In the following, the number of paramagnetic molecules are: O\(_2\), N\(_2\), F\(_2\), B\(_2\), Cl\(_2\).
If \( (1 + x + x^2)^{10} = 1 + a_1 x + a_2 x^2 + \dots \), then \( (a_1 + a_3 + a_5 + \dots + a_{19}) - 11a_2 \) equals to:
Area bounded by \( |x - y| \leq y \leq 4\sqrt{x} \) is equal to (in square units):

Find the IUPAC name of the compound. 

Fat soluble vitamin is:
At 715 mm pressure, 300 K, volume of N\(_2\) (g) evolved was 80 mL by a 0.4 g sample of organic compound. Find the percentage of N in the organic compound. Given aqueous tension at 300 K = 15 mm.
Statement 1: Hyper conjugation is not a permanent effect Statement 2: In general, greater the number of Alkyl groups attached to a positively charged carbon atom, greater is the Hyper conjugation interaction and stabilization of the cation.