JEE Advanced questions
1003 published questions with worked solutions.
- In the options given below, let E denote the rest mass energy of a nucleus and n a neutron. The correct option is
- The largest wavelength in the ultraviolet region of the hydrogen spectrum is 122 nm. The smallest wavelength in the infrared...
- STATEMENT-1 : A block of mass m starts moving on a rough horizontal surface with a velocity v. It stops due to friction between...
- STATEMENT-1 : In an elastic collision between two bodies, the relative speed of the bodies after collision is equal to the...
- STATEMENT-1 : The formula connecting u, v and f for a spherical mirror is valid only for mirrors whose sizes are very small...
- STATEMENT-1 : If the accelerating potential in an X-ray tube is increased, the wavelengths of the characteristic X-rays do not...
- The species having bond order different from that in CO is
- Extraction of zinc from zinc blende is achieved by
- The number of structural isomers for C_6H_ 14 is
- The percentage of p-character in the orbitals forming P–P bonds in P_4 is
- When 20 g of naphthoic acid (C_ 11 H_8O_2) is dissolved in 50 g of benzene (K_f = 1.72 K kg mol⁻¹), a freezing point depression...
- The value of _ 10 K for a reaction A ⇌ B is (Given : _rH^ _ 298K = -54.07 kJ mol⁻¹, _rS^ _ 298K = 10 J K⁻¹ mol⁻¹ and R = 8.314 J...
- STATEMENT-1 : Boron always forms covalent bond. because STATEMENT-2 : The small size of B^ 3+ favours formation of covalent bond.
- STATEMENT-1 : In water, orthoboric acid behaves as a weak monobasic acid. because STATEMENT-2 : In water, orthoboric acid acts as...
- STATEMENT-1 : p-Hydroxybenzoic acid has a lower boiling point than o-hydroxybenzoic acid. because STATEMENT-2 : o-Hydroxybenzoic...
- STATEMENT-1 : Micelles are formed by surfactant molecules above the critical micellar concentration (CMC). because STATEMENT-2 :...
- Let α, β be the roots of the equation x^2 - px + r = 0 and 2 , 2β be the roots of the equation x^2 - qx + r = 0. Then the value...
- Let f(x) be differentiable on the interval (0, ∞) such that f(1) = 1, and _ t x t^2f(x) - x^2f(t) t - x = 1 for each x > 0. Then...
- One Indian and four American men and their wives are to be seated randomly around a circular table. Then the conditional...
- The tangent to the curve y = e^x drawn at the point (c, e^c) intersects the line joining the points (c - 1, e^ c-1 ) and (c + 1,...