JEE Main questions
34568 published questions with worked solutions.
- A train is moving with a speed of 12 m/s on rails which are 1.5 m apart. To negotiate a curve of radius 400 m, the height by...
- If the refractive index of the material of a prism is ( A2 ), where A is the angle of prism then angle of minimum deviation will...
- A wire of length 10 cm and radius 7 10^ -4 m is connected across the right gap of a meter bridge. When resistance of 4.5 Ω is...
- The acceleration due to gravity on the surface of earth is g. If the diameter of earth reduces to half of its original value and...
- A body of mass 1000 kg is moving horizontally with a velocity 6 m/s. If 200 kg extra mass is added, the final velocity (in m/s)...
- A plane electromagnetic wave propagating in x-direction is described by E_y = (200 Vm ^ -1 ) [1.5 10^7 t - 0.05x]; The intensity...
- Given below are two statements: Statement (I): Planck's constant and angular momentum have same dimensions. Statement (II):...
- A convex lens of focal length 40 cm forms an image of an extended source of light on a photoelectric cell. A current I is...
- Four particles each of mass 1 kg are placed at four corners of a square of side 2 m. Moment of inertia of system about an axis...
- A particle executes simple harmonic motion with an amplitude of 4 cm. At the mean position, velocity of the particle is 10 cm/s....
- In a nuclear fission process, a high mass nuclide (A = 236) with binding energy 7.6 MeV/Nucleon dissociated into middle mass...
- Two coils have mutual inductance 0.002 H. The current changes in the first coil according to the relation i = i₀sinωt, where i₀ =...
- Given below are two statements : Statement (I) : p-nitrophenol is more acidic than m-nitrophenol and o-nitrophenol. Statement...
- Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) :...
- A solution of two miscible liquids showing negative deviation from Raoult's law will have :
- Consider the following complex ions P = [FeF₆]³⁻ Q = [V(H₂O)₆]²⁺ R = [Fe(H₂O)₆]²⁺ The correct order of the complex ions,...
- Choose the polar molecule from the following :
- The correct statement regarding nucleophilic substitution reaction in a chiral alkyl halide is :
- Given below are two statements : Statement (I) : Aqueous solution of ammonium carbonate is basic Statement (II) : Acidic/basic...
- Which of the following electronic configuration would be associated with the highest magnetic moment?