JEE Advanced questions
3844 published questions with worked solutions.
- Let k be a positive real number and let A = bmatrix 2k-1 & 2 k & 2 k 2 k & 1 & -2k -2 k & 2k & -1 bmatrix and B = bmatrix 0 &...
- A Vernier calipers has 1 mm marks on the main scale. It has 20 equal divisions on the Vernier scale which match with 16 main...
- A hollow pipe of length 0.8 m is closed at one end. At its open end a 0.5 m long uniform string is vibrating in its second...
- A biconvex lens of focal length 15 cm is in front of a plane mirror. The distance between the lens and the mirror is 10 cm. A...
- A tiny spherical oil drop carrying a net charge q is balanced in still air with a vertical uniform electric field of strength 81...
- A diatomic ideal gas is compressed adiabatically to 1 32 of its initial volume. In the initial temperature of the gas is T_i (in...
- Image of an object approaching a convex mirror of radius of curvature 20 m along its optical axis is observed to move from 25 3 m...
- A large glass slab ( = 5/3) of thickness 8 cm is placed over a point source of light on a plane surface. It is seen that light...
- Geometrical shapes of the complexes formed by the reaction of Ni^ 2+ with Cl^- , CN^- and H_2O , respectively, are
- Dissolving 120 g of urea (mol. wt. 60) in 1000 g of water gave a solution of density 1.15 g/mL. The molarity of the solution is
- Among the following compounds, the most acidic is
- Extraction of metal from the ore cassiterite involvesNot in JEE Main or NEET syllabus
- The correct statement(s) pertaining to the adsorption of a gas on a solid surface is (are)Not in JEE Main or NEET syllabus
- The difference in the oxidation numbers of the two types of sulphur atoms in Na_2S_4O_6 is
- Reaction of Br_2 with Na_2CO_3 in aqueous solution gives sodium bromide and sodium bromate with evolution of CO_2 gas. The number...
- The maximum number of electrons that can have principal quantum number, n = 3, and spin quantum number, m_s = - 1 2 , is
- To an evacuated vessel with movable piston under external pressure of 1 atm., 0.1 mol of He and 1.0 mol of an unknown compound...
- The total number of alkenes possible by dehydrobromination of 3-bromo-3-cyclopentylhexane using alcoholic KOH is
- A decapeptide (Mol. Wt. 796) on complete hydrolysis gives glycine (Mol. Wt. 75), alanine and phenylalanine. Glycine contributes...
- A police car with a siren of frequency 8 kHz is moving with uniform velocity 36 km/hr towards a tall building which reflects the...