✍Top 20 one-liner physics questions✍
1-10: Mechanics & Motion
1. What is the SI unit of force?
बल की SI इकाई क्या है?
Answer: Newton (न्यूटन)
2. Which physical quantity is measured in Joules?
कौन सी भौतिक राशि जूल में मापी जाती है?
Answer: Energy (ऊर्जा)
3. What is the acceleration due to gravity on Earth?
पृथ्वी पर गुरुत्वजनित त्वरण कितना होता है?
Answer: 9.8 m/s²
4. Which Newton’s law explains the concept of inertia?
जड़त्व की अवधारणा न्यूटन के किस नियम से संबंधित है?
Answer: Newton’s First Law (न्यूटन का पहला नियम)
5. Which type of friction is highest?
कौन सा घर्षण सबसे अधिक होता है?
Answer: Static friction (स्थैतिक घर्षण)
6. What is momentum defined as?
संवेग को कैसे परिभाषित किया जाता है?
Answer: Mass × Velocity (द्रव्यमान × वेग)
7. Which force keeps the planets in orbit around the sun?
कौन सा बल ग्रहों को सूर्य के चारों ओर कक्षा में रखता है?
Answer: Gravitational force (गुरुत्वाकर्षण बल)
8. Which has more inertia: a truck or a bicycle?
ट्रक और साइकिल में से किसमें अधिक जड़त्व होता है?
Answer: Truck (ट्रक)
9. What is the unit of work?
कार्य की इकाई क्या होती है?
Answer: Joule (जूल)
10. What is the law of conservation of energy?
ऊर्जा संरक्षण का नियम क्या कहता है?
Answer: Energy can neither be created nor destroyed (ऊर्जा न तो उत्पन्न की जा सकती है और न ही नष्ट की जा सकती है)
11-20: Heat, Light, Sound, Electricity & Modern Physics
11. What is the SI unit of power?
शक्ति की SI इकाई क्या है?
Answer: Watt (वाट)
12. Which type of mirror is used in vehicle headlights?
वाहन की हेडलाइट में कौन सा दर्पण प्रयोग किया जाता है?
Answer: Concave mirror (अवतल दर्पण)
13. Which lens is used to correct myopia (short-sightedness)?
मायोपिया (निकट दृष्टिदोष) को ठीक करने के लिए कौन सा लेंस प्रयोग किया जाता है?
Answer: Concave lens (अवतल लेंस)
14. What is the speed of light in vacuum?
निर्वात में प्रकाश की गति क्या होती है?
Answer: 3 × 10⁸ m/s
15. Which type of wave is a sound wave?
ध्वनि तरंग किस प्रकार की होती है?
Answer: Longitudinal wave (अनुदैर्ध्य तरंग)
16. Which metal is the best conductor of electricity?
कौन सी धातु विद्युत की सबसे अच्छी चालक है?
Answer: Silver (चांदी)
17. What is the SI unit of charge?
आवेश की SI इकाई क्या होती है?
Answer: Coulomb (कूलाम्ब)
18. What is Ohm’s law?
ओम का नियम क्या कहता है?
Answer: V = IR (वोल्टेज = धारा × प्रतिरोध)
19. Who discovered the electron?
इलेक्ट्रॉन की खोज किसने की थी?
Answer: J.J. Thomson (जे. जे. थॉमसन)
20. Which nuclear reaction takes place in the sun?
सूर्य में कौन सी नाभिकीय प्रक्रिया होती है?
Answer: Nuclear fusion (नाभिकीय संलयन)
chemistry NEET JEE board CBSE NOTES

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Essential Chemistry Resources for NEET and JEE Aspirants
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