Engineering Questions — Physics

Q.45. The output Y for the given inputs A and B to the circuit is: [Figure: Logic circuit diagram]

Q.36. Initial pressure and volume of a monoatomic ideal gas are P and V. The change in internal energy of this gas in adiabatic expansion to volume V_final = 27 V is J.

Q.26. Match the LIST-I with LIST-II List-I List-II A. Planck's constant I. MLT B. Stopping potential II. T C. Work function III. MLT D. Threshold frequency IV. MLTA Choose the correct answer from the

Q.35. Two closed vessels of same volume are joined through a narrow tube and both vessels are filled with air of pressure 90 kPa and temperature 400 K. Keeping the temperature of one vessel constant a

Q.34. A string A of length 0.314 m of Young's modulus is connected to another string B of length and Young's modulus both twice of those of A. This series combination of strings is then suspended fro

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.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.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.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.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 second are 104 m and 129 m, respectively. T