Home Check your score,(MCQ) class 8 Chapter 4 Energy Check your score,(MCQ) class 8 Chapter 4 Energy personSpeed Up Science January 28, 2025 0 share Energy - MCQ Quiz MCQ Quiz on Energy 1. What is the formula for Kinetic Energy (KE)? mv² mgh ½ mv² mg/v² 2. What is the SI unit of energy? Joule (J) Newton (N) Watt (W) Pascal (Pa) 3. Potential Energy (PE) is calculated as: mgh ½ mv² mv m²gh 4. Which of the following affects Kinetic Energy? Mass only Height only Mass and velocity Area and velocity 5. What happens to Potential Energy as a freely falling object moves downward? Increases Decreases Remains constant Becomes zero 6. Total energy of a freely falling object remains: Constant Increasing Decreasing Zero 7. Kinetic Energy depends on: Mass and square of velocity Mass and acceleration Height and velocity Weight and time 8. Energy can: Neither be created nor destroyed Be created Be destroyed None of these 9. If velocity is doubled, Kinetic Energy becomes: Doubled Four times Halved Remains the same 10. What does Potential Energy depend on? Mass, height, and gravity Mass and area Height and velocity Velocity only Submit Facebook Twitter Whatsapp Newer Older