Engineering Questions
409 solved questions with detailed explanations
Q.1. Let be defined as . Then is:
Q.48. The energy released when kg of is converted into by proton bombardment is eV. The value of is ________ (Nearest integer) (Mass of u, mass of u, mass of proton u and 1 u MeV/c and Avogad
Q.50. Two masses of 3.4 kg and 2.5 kg are accelerated from an initial speed of 5 m/s and 12 m/s, respectively. The distances traversed by the masses in the 5th second are 104 m and 129 m, respectively
Q.68. Given below are two statements : Statement I: Compound (X), shown below, dissolves in NaHCO₃ solution and has two chiral carbon atoms [Figure: Compound (X)]. Statement II: Compound (Y), shown be
Q.32. A water spray gun is attached to a hose of cross sectional area . The gun comprises of 10 perforations each of cross sectional area of . If the water flows in the hose with the speed of , calcul
Q.67. Consider the following reaction. [Figure: Reaction scheme starting with a cyclic ketone with an ester group, undergoing reduction with NaBH4/MeOH, then NaOH(aq)/Δ, and finally H3O+.] The major p
Q.47. The heat extracted out of x gram of water initially at 50°C to cool it down to 0°C is sufficient to evaporate (1000 - x) gram of water also initially at 50°C. The value of x (closest integer) is
Q.36. A rigid dipole undergoes a simple harmonic motion about its centre in the presence of an electric field . If another electric field is introduced to the system, what will be the percentage chan
Q.43. K₁ and K₂ be the maximum kinetic energies of photoelectrons emitted from a surface of a given material for the light of wavelength λ₁ and λ₂, respectively. If λ₁ = 2 λ₂, then the work function o
Q.11. If , then the value of is :