SI Unit Mcqs

61- SI unit of density is:

A. Ton/m³
B. Pound/in³
C. Gram/cm³
D. Kilogram/m³

Answer : D. Kilogram/m³

62- SI unit of refractive index is:

A. Watt
B. Meter
C. Diopter
D. No unit

Answer : D. No unit

63- SI unit of power of lens is:

A. Lux
B. Hertz
C. Diopter
D. Candela

Answer : C. Diopter

64- SI unit of magnetic flux is:

A. Tesla
B. Weber
C. Gauss
D. Henry

Answer : B. Weber

65- SI unit of inductance is:

A. Tesla
B. Henry
C. Weber
D. Ampere

Answer : B. Henry

66- SI unit of conductance is:

A. Mho
B. Ohm
C. Siemens
D. Both A and C

Answer : D. Both A and C

67- SI unit of radiation dose is:

A. Curie
B. Gray
C. Sievert
D. Becquerel

Answer : C. Sievert

68- SI unit of radioactive activity is:

A. Curie
B. Sievert
C. Roentgen
D. Becquerel

Answer : D. Becquerel

69- SI unit of angle is:

A. Circle
B. Radian
C. Degree
D. Gradient

Answer : B. Radian

70- SI unit of solid angle is:

A. Circle
B. Radian
C. Degree
D. Steradian

Answer : D. Steradian

71- SI unit of luminous flux is:

A. Lumen
B. Lux
C. Watt
D. Candela

Answer : A. Lumen

72- SI unit of illuminance is:

A. Lux
B. Watt
C. Lumen
D. Candela

Answer : A. Lux

73- SI unit of permeability is:

A. Tesla
B. Joule
C. Ampere
D. Henry per meter

Answer : D. Henry per meter

74- SI unit of permittivity is:

A. Tesla
B. Farad per meter
C. Weber
D. Coulomb

Answer : B. Farad per meter

75- SI unit of surface tension is:

A. Joule
B. Pascal
C. Coulomb
D. Newton per meter

Answer : D. Newton per meter

76- SI unit of viscosity is:

A. Watt
B. Joule
C. Pascal-second
D. Newton

Answer : C. Pascal-second

77- SI unit of velocity is:

A. M/s
B. Ft/s
C. Km/h
D. Cm/s

Answer : A. Km/h

78- SI unit of acceleration is:

A. g
B. ft/s²
C. m/s²
D. Km/h²

Answer : C. m/s²

79- SI unit of heat capacity is:

A. Watt
B. Calorie
C. Ampere
D. Joule per Kelvin

Answer : D. Joule per Kelvin

80- SI unit of latent heat is:

A. Calorie
B. Joule per kg 
C. Newton
D. Kelvin

Answer : B. Joule per kg

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