1.Which of the following is a base quantity in the International System of Units (SI)?
A) Velocity
B) Mass
C) Force
D) Energy
2. The SI unit of electric current is:
A) Volt
B) Coulomb
C) Ampere
D) Ohm
3. Which of the following is a derived quantity?
A) Length
B) Time
C) Temperature
D) Velocity
4. The unit of force in the SI system is:
A) Joule
B) Newton
C) Pascal
D) Watt
5. Which instrument is commonly used to measure mass?
A) Thermometer
B) Barometer
C) Balance
D) Caliper
6. The prefix ‘kilo-‘ denotes a factor of:
A) 10
B) 100
C) 1,000
D) 10,000
7. Which of the following quantities is dimensionless?
A) Speed
B) Strain
C) Acceleration
D) Force
8. The SI unit of luminous intensity is:
A) Candela
B) Lumen
C) Lux
D) Watt
9. Which physical quantity is measured in Pascals?
A) Energy
B) Pressure
C) Power
D) Frequency
10. The fundamental unit of time in the SI system is:
A) Minute
B) Hour
C) Second
D) Millisecond