Q1. What is the SI unit of force?
Correct: Newton
Force is measured in Newton.
Q2. What is the speed of light in vacuum?
Correct: 3x10^8 m/s
The speed of light in vacuum is 3x10^8 m/s.
Q3. Which law states that every action has an equal and opposite reaction?
Correct: Third law
This is Newton's Third Law.
Q4. What is the unit of electric current?
Correct: Ampere
Electric current is measured in Ampere.
Q5. Which particle has no electric charge?
Correct: Neutron
Neutron has no electric charge.
Q6. What type of energy is stored in a stretched spring?
Correct: Potential
A stretched spring stores potential energy.
Q7. What is the unit of frequency?
Correct: Hertz
Frequency is measured in Hertz.
Q8. Which instrument is used to measure temperature?
Correct: Thermometer
Thermometer measures temperature.
Q9. What is the acceleration due to gravity on Earth?
Correct: 9.8 m/s²
Gravity on Earth is approximately 9.8 m/s².
Q10. Which wave does not require a medium?
Correct: Light wave
Light waves can travel in vacuum.
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