JEE Advanced questions
579 published questions with worked solutions.
- The image of an object, formed by a plano-convex lens at a distance of 8 m behind the lens, is real and is one-third the size of...
- A horizontal stretched string, fixed at two ends, is vibrating in its fifth harmonic according to the equation, y(x, t) = (0.01 m...
- A solid sphere of radius R and density ρ is attached to one end of a mass-less spring of force constant k. The other end of the...
- A particle of mass M and positive charge Q, moving with a constant velocity u_1 = 4 i ms^ -1 , enters a region of uniform static...
- The work functions of Silver and Sodium are 4.6 and 2.3 eV, respectively. The ratio of the slope of the stopping potential versus...
- A freshly prepared sample of a radioisotope of half-life 1386 s has activity 10^3 disintegrations per second. Given that ln 2 =...
- A particle of mass 0.2 kg is moving in one dimension under a force that delivers a constant power 0.5 W to the particle. If the...
- A uniform circular disc of mass 50 kg and radius 0.4 m is rotating with an angular velocity of 10 rad s⁻¹ about its own axis,...
- A bob of mass m, suspended by a string of length l_1, is given a minimum velocity required to complete a full circle in the...
- The compound that does **NOT** liberate CO_2 , on treatment with aqueous sodium bicarbonate solution, is
- Methylene blue, from its aqueous solution, is adsorbed on activated charcoal at 25 °C. For this process, the correct statement is
- Sulfide ores are common for the metals
- Upon treatment with ammoniacal H_2S , the metal ion that precipitates as a sulfide is
- The standard enthalpies of formation of CO_2(g) , H_2O(l) and glucose(s) at 25 °C are −400 kJ/mol, −300 kJ/mol and −1300 kJ/mol,...
- The pair(s) of coordination complexes/ions exhibiting the same kind of isomerism is(are)
- The hyperconjugative stabilities of tert-butyl cation and 2-butene, respectively, are due to
- Benzene and naphthalene form an ideal solution at room temperature. For this process, the true statement(s) is(are)
- A tetrapeptide has –COOH group on alanine. This produces glycine (Gly), valine (Val), phenyl alanine (Phe) and alanine (Ala), on...
- EDTA^ 4- is ethylenediaminetetraacetate ion. The total number of N–Co–O bond angles in [Co(EDTA)]^ 1- complex ion is
- The total number of lone-pairs of electrons in melamine is