1. Which of the following is a physical science?
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2. Which magnet loses its magnetism easily?
3. Net force zero means body has:
4. Volume of a liquid is measured using:
5. Magnetic field lines always emerge from:
6. Diamagnetic materials are:
7. Pressure increases when:
8. Which one converts scientific ideas into practical devices?
9. Which application uses magnetism in data storage?
10. A compass needle aligns itself along:
11. Measurement is comparison with:
12. Why is mercury suitable for thermometers?
13. Which formula represents density?
14. Which material shows elasticity?
15. Which liquid produces more pressure at same depth?
16. Perpetual motion machines are impossible because they violate:
17. Which of the following is a derived quantity?
18. Magnetism produced in an unmagnetized material is called:
19. The SI unit of work is:
20. Which quantity determines the direction of motion?
21. If force is applied but no displacement occurs, the work done is:
22. A stiffer spring has:
23. Which graph represents uniform velocity?
24. Scientific knowledge grows mainly through ____.
25. When brakes are applied, passengers move forward due to:
26. Why is falsifiability important in science?
27. SI unit of momentum is:
28. Energy is defined as:
29. Physics laws are usually expressed in the form of ____.
30. In a load-extension graph, the straight line shows:
31. Value of gravitational field strength on Earth is approximately:
32. Weight of a body is the force due to:
33. Energy stored due to height is called:
34. A horizontal line on a distance-time graph shows:
35. The SI unit of mass is:
36. Symbol used for gravitational field strength is:
37. Which quantity changes when direction changes?