Engineering Questions
409 solved questions with detailed explanations
Q.31. A particle is rotating in a circular path and at any instant its motion can be described as . The angular acceleration of the particle after seconds is ____ rad/s.
Q.2. If the set of all solutions of is , then is equal to :
Q.72. Consider the following sequence of reactions. [Figure: Reaction scheme starting with a diazonium salt, reacting with (i) HCl, (ii) Aniline (in excess), (iii) Warm 40-45°C, (iv) Cool, acetic acid
Q.73. 20 g hemoglobin in a 1 L aqueous solution (A) at 300 K is separated from pure water by semi permeable membrane. At equilibrium the height of solution in a tube dipped in a solution (A) is found
Q.33. Heat is supplied to a diatomic gas at constant pressure. Then the ratio of is
Q.73. A substance 'X' (1.5 g) dissolved in 150 g of a solvent 'Y' (molar mass = 300 g mol⁻¹) led to an elevation of the boiling point by 0.5 K. The relative lowering in the vapour pressure of the solv
Q.46. An electromagnetic wave of frequency 100 MHz propagates through a medium of conductivity, mho/m. The ratio of maximum conducting current density to maximum displacement current density is _____
Q.62. Which of the following are true about the energy of the given d-orbitals of a tetrahedral complex ? A. d = d > d B. d = d > d C. d > d > d D. d = d < d Choose the correct answer from the options
Q.37. A particle is executing simple harmonic motion. Its amplitude is A and time period is 5 sec. the time required by it to move from to is ____ sec.
Q.17. The value of is: