Q1: 1. Which of the following is a base unit in the International System of Units (SI)?

• A) Newton
• B) Watt
• C) Meter
• D) Joule

Q2: 2. The correct symbol for the unit of time is

• A) s
• B) kg
• C) m
• D) A

Q3: 3. What is the SI unit for measuring temperature?

• A) Kelvin
• B) Joule
• C) Pascal
• D) Coulomb

Q4: 4. Which of the following is a derived unit?

• A) Second
• B) Meter
• C) Pascal
• D) Kilogram

Q5: 5. A car travels at a speed of 60 km/h. What is its speed in m/s?

• A) 6 m/s
• B) 16.67 m/s
• C) 600 m/s
• D) 166.7 m/s

Q6: 6. The density of an object is measured in

• A) kg
• B) N
• C) kg/m^3
• D) m/s

Q7: 7. Which of the following is a scalar quantity?

• A) Force
• B) Velocity
• C) Distance
• D) Acceleration

Q8: 8. An object has a mass of 5 kg. What is its weight on Earth's surface? (g = 9.81 m/s^2)

• A) 49.05 N
• B) 0.51 N
• C) 14.7 N
• D) 0.5 N

Q9: 9. The speed of light in a vacuum is approximately

• A) 300,000 m/s
• B) 30,000 km/s
• C) 3 x 10^8 m/s
• D) 3,000,000 km/s

Q10: 10. What is the SI unit of electric charge?

• A) Coulomb
• B) Ampere
• C) Ohm
• D) Volt

Q11: 11. If a car travels 100 km in 2 hours, what is its average speed?

• A) 20 km/h
• B) 50 km/h
• C) 200 km/h
• D) 100 km/h

Q12: 12. The unit of power is

• A) Joule
• B) Watt
• C) Newton
• D) Kilogram

Q13: 13. What is the standard unit of force in the SI system?

• A) Newton
• B) Pascal
• C) Joule
• D) Watt

Q14: 14. A block of wood has a volume of 500 cm^3 and a mass of 2 kg. What is its density?

• A) 0.4 kg/cm^3
• B) 4 kg/cm^3
• C) 0.0004 kg/cm^3
• D) 4000 kg/cm^3

Q15: 15. Which of the following is a vector quantity?

• A) Speed
• B) Mass
• C) Distance
• D) Displacement

Q16: 16. The unit of work done is the

• A) Newton
• B) Joule
• C) Watt
• D) Pascal

Q17: 17. A student measures the length of a table as 1.2 meters. What is the length of the table in centimeters?

• A) 12 cm
• B) 120 cm
• C) 1.2 cm
• D) 0.12 cm

Q18: 18. What is the SI unit of frequency?

• A) Hertz
• B) Watt
• C) Newton
• D) Pascal

Q19: 19. An object has a weight of 20 N on Earth. What is its weight on the moon where the acceleration due to gravity is 1.6 m/s^2?

• A) 3.2 N
• B) 32 N
• C) 12.5 N
• D) 125 N

Q20: 20. The unit of pressure is

• A) Pascal
• B) Newton
• C) Watt
• D) Joule

Q21: 21. If a car travels 200 km in 4 hours, what is its average speed?

• A) 50 km/h
• B) 40 km/h
• C) 60 km/h
• D) 70 km/h

Q22: 22. What is the SI unit of momentum?

• A) kg m/s
• B) Newton
• C) Joule
• D) Watt

Q23: 23. The unit of electric current is

• A) Ampere
• B) Coulomb
• C) Ohm
• D) Volt

Q24: 24. A box has a mass of 10 kg and a volume of 0.02 m^3. What is its density?

• A) 0.5 kg/m^3
• B) 500 kg/m^3
• C) 50 kg/m^3
• D) 1000 kg/m^3

Q25: 25. The unit of angular velocity is

• A) Hertz
• B) Newton
• C) Watt
• D) Radian per second