Physics Quiz for Class VI to VII

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.


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⚡ Physics Quiz – Class VI to VIII


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🧠 Multiple Choice Questions (MCQs)


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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.


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


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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.


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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).


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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.


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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.


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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.


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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.


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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.


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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.


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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).


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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.


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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.


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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.


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


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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).


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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.


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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.


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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.


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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.


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