JEE Main questions
34495 published questions with worked solutions.
- A metal string A is suspended from a rigid support and its free end is attached to a block of mass M. Second block having mass 2M...
- Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: If the average...
- The temperature of a metal strip having coefficient of linear expansion α is increased from T₁ to T₂ resulting in increase of its...
- A rigid dipole undergoes a simple harmonic motion about its centre in the presence of an electric field E_1=E_0 x. If another...
- Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: In...
- A solenoid has a core made of material with relative permeability 400. The magnetic field produced in the interior of solenoid is...Not in JEE Advanced syllabus
- A magnetic field vector in an electromagnetic wave is represented by B=B_0 (2 t- 2 x ) j. Its associated electric field vector is...
- A convex lens is made from glass material having refractive index of 1.4 with same radius of curvature on both sides. The ratio...
- An unpolarized light of certain intensity passes through a combination of two polarizers whose transmission axes are at 30° and...
- Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: A diode under...Not in JEE Advanced syllabus
- A diode has Zener voltage of 10 V and maximum power dissipation of 0.5 W, then the minimum resistance to be used in series with...
- A gun mounted on the ground fires bullets in all directions with same speed. The farthest distance the bullets could reach is 6.4...
- A circular coil of radius 2 cm and 125 turns carries a current of 1 A. The coil is placed in a uniform magnetic field of...
- In a double slit experiment, when one of the slits is covered by a transparent mica sheet of refractive index 1.56, the central...
- The correct order of total number of atoms present in (A) 2 moles of cyclohexane (B) 684 g of sucrose (C) 90.8 L of dihydrogen at...
- The species having identical radii according to the Bohr's theory are: A. H (first orbit) B. He⁺ (first orbit) C. He⁺ (Second...
- At 27°C, 0.1 M, 1 L K₄[Fe(CN)₆] aqueous solution and 0.1 M, 1 L FeCl₃ aqueous solution are placed in a container separated by a...
- 20 mL of a solution of acetic acid required 28.4 mL of 0.1 M NaOH for its neutralization. A solution (X) was prepared by mixing...
- Match the LIST-I with LIST-II List-I (Reaction): A. Williamson Synthesis, B. Friedel Craft Reaction, C. Bromination of vinyl...
- The 1st ionization enthalpy for Mg is +737 kJ/mol. The most probable estimated value of the 2nd ionization enthalpy of Mg is...