41. Which of the following is not a vector quantity?
- a) Displacement
- b) Velocity
- c) Acceleration
- d) Energy
- Answer: d) Energy
42. The SI unit of capacitance is:
- a) Farad
- b) Henry
- c) Coulomb
- d) Ohm
- Answer: a) Farad
43. What is the dimensional formula of power?
- a) [M L^2 T^-3]
- b) [M L T^-2]
- c) [M L^2 T^-2]
- d) [M L T^-3]
- Answer: d) [M L^2 T^-3]
44. Which of the following quantities has the dimension [M L T^-2]?
- a) Force
- b) Energy
- c) Power
- d) Pressure
- Answer: a) Force
45. The least count of a standard meter ruler is:
- a) 0.1 cm
- b) 0.01 cm
- c) 0.05 cm
- d) 1 mm
- Answer: d) 1 mm
46. Which of the following physical quantities is a scalar?
- a) Velocity
- b) Acceleration
- c) Force
- d) Temperature
- Answer: d) Temperature
47. The SI unit of magnetic flux is:
- a) Weber
- b) Tesla
- c) Henry
- d) Gauss
- Answer: a) Weber
48. Which of the following quantities is measured in ‘Farad’?
- a) Capacitance
- b) Inductance
- c) Magnetic flux
- d) Resistance
- Answer: a) Capacitance
49. The dimensional formula of torque is the same as that of:
- a) Work
- b) Power
- c) Energy
- d) Force
- Answer: a) Work
50. The SI unit of impedance is:
- a) Ohm
- b) Farad
- c) Tesla
- d) Coulomb
- Answer: a) Ohm