Q1: 1. What is the fundamental unit of mass in the International System of Units (SI)?

• A) Gram
• B) Kilogram
• C) Pound
• D) Ounce

Q2: 2. Which of the following is a scalar quantity?

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

Q3: 3. What is the SI unit of electric current?

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

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

• A) Meter
• B) Second
• C) Joule
• D) Kelvin

Q5: 5. What is the SI unit of luminous intensity?

• A) Candela
• B) Watt
• C) Lux
• D) Joule

Q6: 6. Which of the following is a base unit in SI?

• A) Newton
• B) Kelvin
• C) Pascal
• D) Ampere

Q7: 7. What is the SI unit of luminous flux?

• A) Candela
• B) Lumen
• C) Lux
• D) Watt

Q8: 8. Which of the following is a vector quantity?

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

Q9: 9. What is the SI unit of frequency?

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

Q10: 10. Which of the following is a fundamental unit in SI?

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

Q11: 11. What is the SI unit of resistance?

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

Q12: 12. Which of the following is a scalar quantity?

• A) Acceleration
• B) Momentum
• C) Speed
• D) Force

Q13: 13. What is the SI unit of power?

• A) Watt
• B) Joule
• C) Ampere
• D) Ohm

Q14: 14. Which of the following is a derived unit?

• A) Kelvin
• B) Meter
• C) Second
• D) Candela

Q15: 15. What is the SI unit of force?

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

Q16: 16. Which of the following is a base unit in SI?

• A) Pascal
• B) Ampere
• C) Candela
• D) Joule

Q17: 17. What is the SI unit of energy?

• A) Watt
• B) Joule
• C) Volt
• D) Ohm

Q18: 18. Which of the following is a vector quantity?

• A) Speed
• B) Distance
• C) Time
• D) Velocity

Q19: 19. What is the SI unit of pressure?

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

Q20: 20. Which of the following is a fundamental unit in SI?

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

Q21: 21. What is the SI unit of temperature?

• A) Kelvin
• B) Joule
• C) Watt
• D) Ampere

Q22: 22. Which of the following is a scalar quantity?

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

Q23: 23. What is the SI unit of work and energy?

• A) Watt
• B) Joule
• C) Ohm
• D) Ampere

Q24: 24. Which of the following is a derived unit?

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

Q25: 25. What is the SI unit of electric potential difference?

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