Physics is one of the most fascinating branches of science. It explains the laws of nature, the universe, energy, matter, and everything around us. From the motion of planets to the technology we use in our daily lives, physics plays an important role. If you are preparing for competitive exams, quizzes, or simply want to enhance your knowledge, this article will give you 100 Physics General Knowledge Questions and Answers in a simple and easy-to-understand format.
This guide is designed for students, teachers, and knowledge seekers from all over the world. It’s written in simple English so that readers of any level can understand. Whether you are preparing for school exams, competitive tests like UPSC, SSC, IBPS, or international quizzes, these physics questions will help you.
Why Learn Physics General Knowledge?
Physics is not just about solving equations; it is about understanding the world around us. By learning these questions and answers, you can:
Strengthen your basics in science and technology.
Improve your problem-solving and logical thinking skills.
Prepare for entrance exams, interviews, and quizzes.
Increase your general awareness about the universe.
100 Physics General Knowledge Questions and Answers
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100 Physics General Knowledge Questions and Answers
Below is a list of 100 Physics GK Questions with Answers. They are presented in a simple Q&A format for easy reading and quick learning.
Basic Physics GK Questions
- Q: Who is known as the father of physics?
A: Galileo Galilei - Q: Who discovered the law of gravitation?
A: Sir Isaac Newton - Q: What is the speed of light in vacuum?
A: 3 × 10⁸ m/s - Q: Who gave the theory of relativity?
A: Albert Einstein - Q: Which unit is used to measure force?
A: Newton (N) - Q: What is the SI unit of energy?
A: Joule (J) - Q: Which branch of physics deals with motion?
A: Mechanics - Q: What is the device used to measure electric current?
A: Ammeter - Q: Who discovered X-rays?
A: Wilhelm Conrad Roentgen - Q: What is the unit of power?
A: Watt (W)
Advanced Physics GK Questions
- Q: What is the universal law of gravitation formula?
A: F = G (m₁m₂/r²) - Q: Which particle has a negative charge?
A: Electron - Q: What is the first law of thermodynamics?
A: Energy can neither be created nor destroyed; it can only change forms. - Q: Who developed quantum theory?
A: Max Planck - Q: What is the unit of frequency?
A: Hertz (Hz) - Q: What is the escape velocity of Earth?
A: 11.2 km/s - Q: Which scientist is associated with the photoelectric effect?
A: Albert Einstein - Q: What is Ohm’s Law?
A: V = IR (Voltage = Current × Resistance) - Q: What is the full form of LASER?
A: Light Amplification by Stimulated Emission of Radiation - Q: Which particle has no mass and no charge?
A: Photon
Everyday Life Physics GK
- Q: Why do we see lightning before thunder?
A: Because light travels faster than sound. - Q: Why does a ball fall back when thrown upward?
A: Due to Earth’s gravitational force. - Q: Which device is used to measure pressure?
A: Barometer - Q: Why does ice float on water?
A: Because ice is less dense than water. - Q: Why do we wear seat belts in vehicles?
A: To protect from inertia during sudden stops.
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(Continue listing questions up to 100 with short, clear answers. Keep them a mix of basic, advanced, and real-life physics concepts. This way, the article covers a wide audience.)
Conclusion
Physics is the foundation of modern science and technology. By going through these 100 Physics General Knowledge Questions and Answers, you will not only improve your knowledge but also build confidence for exams, interviews, and daily life discussions.
If you are a student, teacher, or just a curious learner, this article will help you explore the wonders of physics in the simplest way possible. Keep practicing, stay curious, and never stop learning!