SI Unit Mcqs

101- The SI unit of angular momentum is:

A. m²/s
B. J·s
C. N·m
D. kg·m²/s

Answer : D. kg·m²/s

102- The SI unit of surface tension is:

A. J
B. N/m
C. N/m²
D. Pascal

Answer : B. N/m

103- The SI unit of viscosity is:

A. J
B. W
C. Pa·s
D. N/m

Answer : C. Pa·s

104- The SI unit of refractive index is:

A. m/s
B. Watt
C. Hertz
D. No unit

Answer : D. No unit

105- The SI unit of coefficient of friction is:

A. kg
B. m/s²
C. Newton
D. No unit

Answer : D. No unit

106- The SI unit of kinetic energy is:

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

Answer : B. Joule

107- The SI unit of universal gas constant is:

A. J/K
B. N·m
C. J/mol·K
D. J/mol

Answer : C. J/mol·K

108- The SI unit of molar volume is:

A. L/mol
B. m³/mol
C. mol/m³
D. kg/mol

Answer : B. m³/mol

109- The SI unit of heat capacity is:

A. J
B. W
C. J/K
D. J/kg

Answer : C. J/K

110- The SI unit of specific heat capacity is:

A. J
B. J/K
C. W/kg
D. J/kg·K

Answer : D. J/kg·K

111- The SI unit of sound intensity is:

A. dB
B. N/m
C. W/m²
D. J/m²

Answer : C. W/m²

112- The SI unit of absorption coefficient is:

A. m
B. m⁻¹
C. m²
D. No unit

Answer : B. m⁻¹

113- The SI unit of electric conductivity is:

A. Volt
B. Watt
C. Ohm
D. Siemens per metre

Answer : D. Siemens per metre

114- The SI unit of electric resistivity is:

A. Watt
B. Ohm
C. Ohm·m
D. Volt·m

Answer : C. Ohm·m

115- The SI unit of illumination is:

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

Answer : A. Lux

116- The SI unit of radiation dose is:

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

Answer : B. Gray

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