Physics

SI Units and Measurement MCQs with Answer

What is the SI unit of force?
a) Newton (N)
b) Joule (J)
c) Pascal (Pa)
d) Watt (W)

Answer
a) Newton (N)

Which of the following is the SI unit of mass?
a) Gram (g)
b) Pound (lb)
c) Kilogram (kg)
d) Ton (t)

Answer
c) Kilogram (kg)

What is the SI unit of energy?
a) Volt (V)
b) Ampere (A)
c) Joule (J)
d) Watt (W)

Answer
c) Joule (J)

Which of the following is the SI unit of temperature?
a) Kelvin (K)
b) Celsius (°C)
c) Fahrenheit (°F)
d) Joule (J)

Answer
a) Kelvin (K)

What is the SI unit of pressure?
a) Newton (N)
b) Pascal (Pa)
c) Joule (J)
d) Watt (W)

Answer
b) Pascal (Pa)

What is the SI unit of electric current?
a) Volt (V)
b) Watt (W)
c) Ampere (A)
d) Coulomb (C)

Answer
c) Ampere (A)

Which of the following is the correct SI unit for length?
a) Meter (m)
b) Foot (ft)
c) Yard (yd)
d) Inch (in)

Answer
a) Meter (m)

What is the SI unit of frequency?
a) Hertz (Hz)
b) Decibel (dB)
c) Watt (W)
d) Ampere (A)

Answer
a) Hertz (Hz)

Which of the following is the SI unit of luminous intensity?
a) Candela (cd)
b) Lumen (lm)
c) Lux (lx)
d) Watt (W)

Answer
a) Candela (cd)

What is the SI unit of power?
a) Joule (J)
b) Newton (N)
c) Watt (W)
d) Ampere (A)

Answer
c) Watt (W)

Which of the following is the SI unit of electric charge?
a) Coulomb (C)
b) Ampere (A)
c) Volt (V)
d) Ohm (Ω)

Answer
a) Coulomb (C)

What is the SI unit of resistance?
a) Volt (V)
b) Ohm (Ω)
c) Ampere (A)
d) Watt (W)

Answer
b) Ohm (Ω)

Which of the following is the SI unit of work?
a) Joule (J)
b) Newton (N)
c) Watt (W)
d) Meter (m)

Answer
a) Joule (J)

What is the SI unit of acceleration?
a) Meter per second (m/s)
b) Meter per second squared (m/s²)
c) Meter (m)
d) Kilometer per hour (km/h)

Answer
b) Meter per second squared (m/s²)

Which of the following is the SI unit of amount of substance?
a) Mole (mol)
b) Gram (g)
c) Liter (L)
d) Cubic meter (m³)

Answer
a) Mole (mol)

What is the SI unit of speed?
a) Meter per second (m/s)
b) Kilometer per hour (km/h)
c) Meter (m)
d) Foot per second (ft/s)

Answer
a) Meter per second (m/s)

Which of the following is the SI unit of volume?
a) Cubic meter (m³)
b) Liter (L)
c) Milliliter (mL)
d) Gallon (gal)

Answer
a) Cubic meter (m³)

What is the SI unit of force per unit area?
a) Pressure
b) Power
c) Energy
d) Work

Answer
a) Pressure

Which of the following represents the standard unit for time in the SI system?
a) Second (s)
b) Minute (min)
c) Hour (h)
d) Day (d)

Answer
a) Second (s)

What is the SI unit of temperature change?
a) Celsius (°C)
b) Kelvin (K)
c) Joule (J)
d) Watt (W)

Answer
b) Kelvin (K)

What is the SI unit for the amount of energy in the system?
a) Joule (J)
b) Watt (W)
c) Ampere (A)
d) Volt (V)

Answer
a) Joule (J)

Which of the following is the SI unit of electric potential difference?
a) Volt (V)
b) Watt (W)
c) Ampere (A)
d) Joule (J)

Answer
a) Volt (V)

What is the SI unit of magnetic flux?
a) Weber (Wb)
b) Tesla (T)
c) Ampere (A)
d) Newton (N)

Answer
a) Weber (Wb)

Which of the following is the SI unit for the speed of light?
a) Meter per second (m/s)
b) Kilometer per second (km/s)
c) Kilometer per hour (km/h)
d) Meter (m)

Answer
a) Meter per second (m/s)

What is the SI unit of the electric field?
a) Volt per meter (V/m)
b) Ampere (A)
c) Ohm (Ω)
d) Tesla (T)

Answer
a) Volt per meter (V/m)

What is the SI unit of gravitational force?
a) Newton (N)
b) Kilogram (kg)
c) Joule (J)
d) Meter (m)

Answer
a) Newton (N)

Which of the following is used to measure electric current?
a) Ampere (A)
b) Coulomb (C)
c) Watt (W)
d) Volt (V)

Answer
a) Ampere (A)

What is the SI unit of force applied on a surface?
a) Pascal (Pa)
b) Newton (N)
c) Joule (J)
d) Watt (W)

Answer
b) Newton (N)

Which of the following is the SI unit of density?
a) Kilogram per cubic meter (kg/m³)
b) Gram per cubic centimeter (g/cm³)
c) Meter per second (m/s)
d) Watt per square meter (W/m²)

Answer
a) Kilogram per cubic meter (kg/m³)

What is the SI unit for the power of a machine?
a) Watt (W)
b) Newton (N)
c) Joule (J)
d) Ampere (A)

Answer
a) Watt (W)

What is the SI unit of work?
a) Joule (J)
b) Newton (N)
c) Watt (W)
d) Ampere (A)

Answer
a) Joule (J)

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