Engineering Questions — JEE Main

Q.56. The reaction was initiated with the amount 'a' of A(g). At equilibrium it is found that the amount of A(g) remaining is (a -x) at a total pressure of p. The equilibrium constant K of the reacti

Q.42. An infinitely long straight wire carrying current I is bent in a planer shape as shown in the diagram. The radius of the circular part is r. The magnetic field at the centre O of the circular lo

Q.60. Given below are two statements: Statement-I: The correct order in terms of atomic/ionic radii is Al > Mg > Mg > Al. Statement-II: The correct order in terms of the magnitude of electron gain ent

Q.66. The descending order of acidity among the following compounds is A. [Figure: Phenol] B. [Figure: p-nitrophenol] C. [Figure: p-methoxyphenol] D. [Figure: Benzoic acid] E. [Figure: p-methylphenol

Q.28. The total length of potentiometer wire AB is 50 cm in the arrangement as shown in figure. If P is the point where the galvanometer shows zero reading then the length AP is .......... cm. [Figure

Q.35. Match List-I with List-II.List-I: A. , B. , C. , D. . List-II: I. Periodic with time period but not simple harmonic motion (SHM), II. Periodic with time period but Not SHM, III. periodic with

Q.24. Let A, B and C be the vertices of a variable right angled triangle inscribed in the parabola y = 16x. Let the vertex B containing the right angle be (4, 8) and the locus of the centroid of ABC b

Q.44. Assuming the experimental mass of as 12u, the mass defect of atom is MeV/c². (Mass of proton = 1.00727u, mass of neutron = 1.00866 u, 1 u = 931.5 MeV/c² and c is the speed of the light in vacu

Q.42. A small cube of side 1 mm is placed at the centre of a circular loop of radius 10 cm carrying a current of 2 A. The magnetic energy stored inside the cube is J. The value of is ( Tm/A, )

Q.54. At 27° C, 0.1 M, 1 L K₄[Fe(CN)₆] aqueous solution and 0.1 M, 1 L FeCl₃ aqueous solution are placed in a container separated by a semi permeable membrane AB. Assume complete dissociation of both