Physics Quiz for Class VI to VII

Physics Quiz

Here is a set of 20 Physics Quiz Questions for Class VI to VIII students. The questions are in MCQ format with 4 options, correct answers, and brief explanations – ideal for classroom practice, online quizzes, or educational blogs.




⚡ Physics Quiz – Class VI to VIII




🧠 Multiple Choice Questions (MCQs)




1. Which of the following is a source of light?
A) Mirror
B) Moon
C) Candle
D) Wall
✅ Answer: C) Candle
📝 Explanation: A candle produces its own light, so it’s a source of light.




2. Which device is used to measure temperature?
A) Barometer
B) Thermometer
C) Hygrometer
D) Speedometer
✅ Answer: B) Thermometer
📝 Explanation: A thermometer measures temperature.




3. Which of these is a magnetic material?
A) Wood
B) Copper
C) Iron
D) Plastic
✅ Answer: C) Iron
📝 Explanation: Iron is a magnetic material that is attracted to magnets.




4. What is the unit of force?
A) Watt
B) Joule
C) Newton
D) Meter
✅ Answer: C) Newton
📝 Explanation: Force is measured in Newtons (N).




5. Which of the following is a good conductor of electricity?
A) Rubber
B) Glass
C) Copper
D) Wood
✅ Answer: C) Copper
📝 Explanation: Copper allows electricity to pass through it easily.




6. Which form of energy is stored in a stretched rubber band?
A) Kinetic energy
B) Heat energy
C) Potential energy
D) Light energy
✅ Answer: C) Potential energy
📝 Explanation: A stretched rubber band stores potential energy.




7. Sound cannot travel through—
A) Solids
B) Liquids
C) Gases
D) Vacuum
✅ Answer: D) Vacuum
📝 Explanation: Sound needs a medium to travel and cannot travel through a vacuum.




8. Which of the following is a source of sound?
A) A falling leaf
B) A glowing bulb
C) A ringing bell
D) A mirror
✅ Answer: C) A ringing bell
📝 Explanation: A ringing bell vibrates and produces sound.




9. What is the speed of light in vacuum?
A) 300 m/s
B) 3000 m/s
C) 3 × 10⁸ m/s
D) 30,000 m/s
✅ Answer: C) 3 × 10⁸ m/s
📝 Explanation: Light travels at about 300,000,000 meters per second in a vacuum.




10. The reflection of light helps us to see—
A) Air
B) Darkness
C) Objects
D) Electricity
✅ Answer: C) Objects
📝 Explanation: We see objects when light reflects from them into our eyes.




11. What does a convex lens do to light rays?
A) Diverges them
B) Reflects them
C) Absorbs them
D) Converges them
✅ Answer: D) Converges them
📝 Explanation: A convex lens brings light rays together (converges them).




12. Which of the following is a non-luminous object?
A) Sun
B) Torch
C) Mirror
D) Bulb
✅ Answer: C) Mirror
📝 Explanation: A mirror does not emit its own light; it reflects light.




13. Friction is a—
A) Force that helps movement
B) Magnetic force
C) Contact force that opposes motion
D) Gravitational force
✅ Answer: C) Contact force that opposes motion
📝 Explanation: Friction resists the motion of objects sliding against each other.




14. Which energy is used by solar panels?
A) Wind energy
B) Nuclear energy
C) Solar energy
D) Heat energy
✅ Answer: C) Solar energy
📝 Explanation: Solar panels convert sunlight (solar energy) into electricity.




15. Which gas is needed for burning?
A) Nitrogen
B) Carbon dioxide
C) Hydrogen
D) Oxygen
✅ Answer: D) Oxygen
📝 Explanation: Oxygen supports combustion.




16. What is the unit of electric current?
A) Volt
B) Ohm
C) Watt
D) Ampere
✅ Answer: D) Ampere
📝 Explanation: Electric current is measured in Amperes (A).




17. Which one is a non-renewable source of energy?
A) Wind
B) Solar
C) Coal
D) Water
✅ Answer: C) Coal
📝 Explanation: Coal is a fossil fuel and cannot be replenished quickly.




18. What happens when light passes from air to water?
A) Speed increases
B) Speed decreases
C) Speed remains the same
D) Light disappears
✅ Answer: B) Speed decreases
📝 Explanation: Light slows down when it enters a denser medium like water.




19. What type of energy does a moving object have?
A) Heat energy
B) Kinetic energy
C) Potential energy
D) Sound energy
✅ Answer: B) Kinetic energy
📝 Explanation: Moving objects possess kinetic energy.




20. Which of the following materials is transparent?
A) Wood
B) Paper
C) Glass
D) Stone
✅ Answer: C) Glass
📝 Explanation: Glass allows light to pass through; hence it’s transparent.






Leave a Reply