Fundamental and derived units - Question Bank

1. Which derived unit represents the SI unit of magnetic dipole moment?
A) Ampere-meter²
B) Tesla-meter²
C) Weber-meter
D) Joule-Tesla
2. The SI unit of molar heat capacity is:
A) J/(mol⋅K)
B) J/(kg⋅K)
C) J/mol
D) J/K
3. Which of the following is a fundamental unit of time?
A) Millisecond
B) Microsecond
C) Second
D) Nanosecond
4. The SI unit of radiant intensity is:
A) Watt per steradian
B) Watt per square meter
C) Joule per steradian
D) Joule per square meter
5. Which physical quantity has the SI unit of 'Joule per kilogram'?
A) Specific energy
B) Specific heat capacity
C) Latent heat
D) Energy density
6. The SI unit of electrical conductivity is:
A) Ohm-meter
B) Siemens per meter
C) Ohm per meter
D) Siemens
7. Which of the following is a derived unit for momentum?
A) kg⋅m/s
B) kg⋅m²/s
C) N⋅s
D) Both A and C
8. The SI unit of angular acceleration is:
A) rad/s
B) rad/s²
C) rad
D) s/rad
9. Which fundamental unit measures luminous intensity?
A) Lumen
B) Lux
C) Candela
D) Nit
10. The SI unit of electric potential difference is:
A) Ampere
B) Watt
C) Volt
D) Joule
11. Which of the following is a derived unit for power?
A) Joule per second
B) Erg per second
C) Calorie per second
D) Watt-second
12. The SI unit of magnetic field intensity is:
A) Tesla
B) Ampere per meter
C) Weber per square meter
D) Gauss
13. Which physical quantity has the SI unit of 'steradian'?
A) Plane angle
B) Solid angle
C) Angular velocity
D) Luminous flux
14. The SI unit of dynamic viscosity is:
A) Pa⋅s
B) Pa/s
C) N⋅s/m
D) Both A and C
15. Which is a fundamental unit of length?
A) Kilometer
B) Mile
C) Meter
D) Light-year
16. The SI unit of magnetic field strength (magnetic flux density) is:
A) Weber
B) Gauss
C) Tesla
D) Oersted
17. Which of the following is a derived unit for acceleration?
A) m/s
B) m/s²
C) km/h²
D) ft/s²
18. The unit of surface tension is:
A) N/m
B) N⋅m
C) N⋅m²
D) N/m²
19. Which physical quantity has the SI unit of 'radian per second'?
A) Angular acceleration
B) Angular displacement
C) Angular velocity
D) Frequency
20. The SI unit of capacitance is:
A) Henry
B) Farad
C) Siemens
D) Ohm
21. Which of the following is a fundamental unit of mass?
A) Pound
B) Ounce
C) Kilogram
D) Stone
22. The SI unit of inductance is:
A) Farad
B) Ohm
C) Ampere
D) Henry
23. Which derived unit represents the SI unit of impulse?
A) Newton-second
B) Joule-second
C) Newton per second
D) Joule per second
24. The unit of kinematic viscosity is:
A) m²/s
B) m/s²
C) N⋅m
D) kg/m³
25. Which of the following is a fundamental unit?
A) Dyne
B) Erg
C) Kelvin
D) Pascal
26. The SI unit of magnetic flux is:
A) Tesla
B) Gauss
C) Weber
D) Henry
27. Which physical quantity has the SI unit of 'radian'?
A) Angular velocity
B) Angular displacement
C) Angular acceleration
D) Solid angle
28. The SI unit of electric resistance is:
A) Siemens
B) Farad
C) Ohm
D) Henry
29. Which of the following is a derived unit for work?
A) Watt
B) Newton-meter
C) Joule
D) Both B and C
30. The SI unit of pressure is derived from which fundamental units?
A) Kilogram, meter, second
B) Meter, second
C) Kilogram, second
D) Kilogram, meter, second, Ampere
31. Which fundamental unit measures the amount of substance?
A) Gram
B) Mole
C) Kilogram
D) Litre
32. The SI unit of power is:
A) Joule
B) Watt
C) Erg
D) Calorie
33. Which of the following is a derived unit for speed?
A) Kilometer per hour
B) Meter per second
C) Mile per hour
D) Foot per minute
34. The SI unit of electric charge is:
A) Ampere
B) Volt
C) Ohm
D) Coulomb
35. Which physical quantity has the SI unit of 'Newton'?
A) Mass
B) Velocity
C) Acceleration
D) Force
36. The SI unit of frequency is:
A) Radian per second
B) Hertz
C) Decibel
D) Cycles per second
37. Which of the following is a fundamental unit of luminous intensity?
A) Lux
B) Candela
C) Lumen
D) Foot-candle
38. The unit of length in the SI system is:
A) Centimeter
B) Inch
C) Foot
D) Meter
39. Which derived unit represents the SI unit of energy?
A) Newton-meter
B) Watt-second
C) Joule
D) All of the above
40. The SI unit of time is:
A) Minute
B) Hour
C) Second
D) Day
41. Which of the following is a fundamental unit of mass?
A) Gram
B) Milligram
C) Kilogram
D) Tonne
42. The unit 'Watt' is a derived unit for which physical quantity?
A) Energy
B) Power
C) Work
D) Momentum
43. Which physical quantity has the SI unit of 'Pascal'?
A) Energy
B) Power
C) Pressure
D) Force
44. The unit of amount of substance in the SI system is:
A) Gram
B) Kilogram
C) Mole
D) Liter
45. Which of the following is a derived unit?
A) Meter
B) Kilogram
C) Second
D) Newton
46. The SI unit of temperature is:
A) Celsius
B) Fahrenheit
C) Kelvin
D) Rankine
47. Which fundamental unit is used to measure electric current?
A) Volt
B) Ohm
C) Ampere
D) Coulomb
48. The unit of luminous intensity in the SI system is:
A) Candela
B) Kelvin
C) Mole
D) Pascal
49. Which of the following is NOT a fundamental unit in the SI system?
A) Kilogram
B) Second
C) Ampere
D) Liter
50. The SI unit of force is a derived unit. What is it derived from?
A) Mass and time
B) Length and time
C) Mass, length, and time
D) Mass and length