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