JEE Advanced questions
3844 published questions with worked solutions.
- Highly excited states for hydrogen-like atoms (also called Rydberg states) with nuclear charge Ze are defined by their principal...
- An incandescent bulb has a thin filament of tungsten that is heated to high temperature by passing an electric current. The hot...
- A plano-convex lens is made of a material of refractive index n. When a small object is placed 30 cm away in front of the curved...
- A length-scale (l) depends on the permittivity ( ) of a dielectric material, Boltzmann constant (k_B), the absolute temperature...
- The position vector r of a particle of mass m is given by the following equation r (t)= t^3 , i + t^2 , j , where =10/3 m s ^ -3...
- A metal is heated in a furnace where a sensor is kept above the metal surface to read the power radiated (P) by the metal. The...
- Consider two solid spheres P and Q each of density 8 gm cm^ -3 and diameters 1 cm and 0.5 cm, respectively. Sphere P is dropped...
- Two inductors L_1 (inductance 1 mH, internal resistance 3 ) and L_2 (inductance 2 mH, internal resistance 4 ), and a resistor R...
- One mole of an ideal gas at 300 K in thermal contact with surroundings expands isothermally from 1.0 L to 2.0 L against a...
- The increasing order of atomic radii of the following Group 13 elements is
- Among [Ni(CO)_4] , [NiCl_4]^ 2- , [Co(NH_3)_4Cl_2]Cl , Na_3[CoF_6] , Na_2O_2 and CsO_2 , the total number of paramagnetic...
- On complete hydrogenation, natural rubber producesNot in JEE Main or NEET syllabus
- According to the Arrhenius equation,
- The crystalline form of borax has
- The compound(s) with TWO lone pairs of electrons on the central atom is(are)
- The correct statement(s) about the following reaction sequence is(are) Cumene ( C_9H_ 12 ) [ ii) H_3O^+ ] i) O_2 P CHCl_3/NaOH Q...
- The mole fraction of a solute in a solution is 0.1. At 298 K, molarity of this solution is the same as its molality. Density of...
- In neutral or faintly alkaline solution, 8 moles of permanganate anion quantitatively oxidize thiosulphate anions to produce...
- The number of geometric isomers possible for the complex [CoL_2Cl_2]^- ( L=H_2NCH_2CH_2O^- ) is
- Let - 6 < <- 12 . Suppose _1 and _1 are the roots of the equation x^2-2x +1=0 and _2 and _2 are the roots of the equation x^2+2x...