JEE Advanced questions
1003 published questions with worked solutions.
- A ball is dropped from a height of 20 m above the surface of water in a lake. The refractive index of water is 4/3. A fish inside...
- If the resultant of all the external forces acting on a system of particles is zero, then from an inertial frame, one can surely...
- A student performed the experiment of determination of focal length of a concave mirror by u-v method using an optical bench of...
- C_v and C_p denote the molar specific heat capacities of a gas at constant volume and constant pressure, respectively. Then
- For a first order reaction A → P, the temperature (T) dependent rate constant (k) was found to follow the equation k = -(2000) 1...
- The spin only magnetic moment value (in Bohr magneton units) of Cr(CO)_6 is
- The correct stability order of the following resonance structures is H_2C = + N = - N (I) H_2 + C - N = - N (II) H_2 - C - + N N...
- For the reduction of NO_3^- ion in an aqueous solution, E° is +0.96 V. Values of E° for some metal ions are given below V^ 2+...
- Among the following, the state function(s) is(are)
- In a constant volume calorimeter, 3.5 g of a gas with molecular weight 28 was burnt in excess oxygen at 298.0 K. The temperature...
- The dissociation constant of a substituted benzoic acid at 25 °C is 1.0 10^ -4 . The pH of a 0.01 M solution of its sodium salt is
- The oxidation number of Mn in the product of alkaline oxidative fusion of MnO_2 is
- The number of water molecule(s) directly bonded to the metal centre in CuSO_4 5H_2O is
- The coordination number of Al in the crystalline state of AlCl_3 is
- The total number of cyclic structural as well as stereo isomers possible for a compound with the molecular formula C_5H_ 10 is
- If the sum of first n terms of an A.P. is cn^2, then the sum of squares of these n terms is
- A line with positive direction cosines passes through the point P(2, −1, 2) and makes equal angles with the coordinate axes. The...
- The locus of the orthocentre of the triangle formed by the lines (1 + p)x - py + p(1 + p) = 0, (1 + q)x - qy + q(1 + q) = 0, and...
- If I_n = _ - ^ nx (1 + ^x) x ,dx, n = 0, 1, 2, , then
- An ellipse intersects the hyperbola 2x^2 - 2y^2 = 1 orthogonally. The eccentricity of the ellipse is reciprocal of that of the...