Engineering Questions
409 solved questions with detailed explanations
Q.64. The correct increasing order of C – H(A), C – O(B), C = O(C) and C N(D) bonds in terms of covalent bond length is:
Q.38. A particle of charge q and mass m is projected from origin with an initial velocity . There exists a uniform magnetic field and a space varying electric field within the region . After travell
Q.25. If , then is equal to
Q.49. In a Young's double slit experiment set up, the two slits are kept 0.4. mm apart and screen is placed at 1 m from slits. If a thin transparent sheet of thickness 20 m is introduced in front of o
Q.19. Let f: R R be a differentiable function such that for all x, y R and . Then the minimum value of the function , is
Q.16. The area of the region R = {(x,y): , } is equal to :
Q.38. Surface tension of two liquids (having same densities), and , are measured using capillary rise method utilizing two tubes with inner radii of and , where . The measured liquid heights in thes
Q.3. Let and be two distinct roots of the equation . Let the sets {a: and are the eccentricities of hyperbolas} = (, ), and {a: and are the eccentricities of an ellipse and a hyperbola, respecti
Q.37. The frequency of oscillation of a mass m suspended by spring is v₁. If the length of the spring is cut to half, the same mass oscillates with frequency v₂. The value of \frac{v_2}{v_1} is
Q.74. The values of pressure equilibrium constant recorded at different temperatures for the following equilibrium reaction have been given below: A(g) B(g) + C(g) [Table: 1/T (K⁻¹) values 0.05, 0.06