Physics- Measurements and Units December 7, 2023 Contents Results - #1. What is the branch of physics that deals with the study of motion and its causes? Thermodynamics Thermodynamics Optics Optics Mechanics Mechanics Electromagnetism Electromagnetism #2. Which physicist formulated the laws of motion and universal gravitation? Albert Einstein Albert Einstein Isaac Newton Isaac Newton Galileo Galilei Galileo Galilei Nikola Tesla Nikola Tesla #3. In which of the following units is electric charge measured? Joules Joules Amperes Amperes Coulombs Coulombs Volts Volts #4. What is the SI unit of force? Newton Newton Watt Watt Joule Joule Pascal Pascal #5. What is the fundamental particle that carries a positive electric charge? Neutron Neutron Electron Electron Proton Proton Positron Positron #6. What is the primary goal of physics? To understand the fundamental nature of the universe To understand the fundamental nature of the universe To design new technologies To design new technologies To study living organisms To study living organisms To explore historical events To explore historical events #7. In which of the following scenarios would classical physics be most applicable? At the atomic scale At the atomic scale At speeds close to the speed of light At speeds close to the speed of light In everyday situations with moderate speeds and sizes In everyday situations with moderate speeds and sizes In the study of subatomic particles In the study of subatomic particles #8. What does the study of astrophysics primarily focus on? Earth's atmosphere Earth's atmosphere The behaviour of subatomic particles The behaviour of subatomic particles Celestial bodies and the universe Celestial bodies and the universe Human anatomy Human anatomy #9. What does thermodynamics study? Properties of light Properties of light Heat, energy, and work relationships Heat, energy, and work relationships Subatomic particles Subatomic particles Behaviour of celestial bodies Behaviour of celestial bodies #10. Which theory explains the relationship between space and time? Quantum theory Quantum theory Theory of relativity Theory of relativity Newton's laws Newton's laws Wave theory Wave theory #11. The SI unit of length is: Meter Meter Gram Gram Second Second Newton Newton #12. What is the SI unit of temperature? Kelvin Kelvin Celsius Celsius Fahrenheit Fahrenheit Joule Joule #13. The symbol 'kg' represents the unit for: Kilogram Kilogram Kilometer Kilometer Kelvin Kelvin Kilowatt Kilowatt #14. Which of the following is a derived unit? Meter Meter Second Second Newton Newton Ampere Ampere #15. What is the SI unit for electric current? Volt Volt Ampere Ampere Ohm Ohm Coulomb Coulomb #16. The prefix 'kilo-' in the metric system represents: 100 100 1000 1000 10 10 0.1 0.1 #17. What is the SI unit for luminous intensity? Candela Candela Lux Lux Watt Watt Lumen Lumen Finish