1. Angstrom is a unit of____.
3. Which one of the following can be used to measure temperature above 1500°C?
4. Pyrometer is used to measure -
5. The intensity of earthquake is measured by which of the following device?
6. Energy conservation means-
7. Joule’ is related to ‘Energy’ like that ‘Pascal’ is related to-
8. Ball bearings are used to convert static friction into
9. Hypsometer is used to measure:
10. Which one of the following thermometers is known as pyrometer?
11. Which instrument is used to measure humidity?
12. The liquid used in simple barometer is/are
13. Which one of the following is not a unit of heat?
14. The ‘parsec’ is the unit of ________.
15. Which of the following pair is not correctly matched?
16. One light year is equivalent to roughly how many kilometers?
18. Which of the following unit is measured on Richter scale?
19. The unit of electric power is _____.
20. Which one of the following is a reason why astronomical distances are measured in lightyears?
21. What is the unit of atmospheric pressure?
22. Which instrument is used to measure atmospheric pressure?
23. What is the SI unit of mechanical energy?
24. Which of the following is not a unit of time?
26. The speed of aircraft and ships are represented in knot. The speed of 100 knot will be-
27. Assertion (A): A passenger tends to fall forward when a moving train slows down quickly. Reason (R): The lower portion of his body is no longer in touch with the seat as the train stops.
28. Auxanometer is used to measure the rate of___.
29. Which of the following is not correctly matched?
30. Pascal is a unit of measuring:
31. 'Ringelmann scale' is used to measure density of :
32. The intensity of earthquake is measured
33. Which one of the following quantities does not have unit?
34. Which of the following instruments is used for measuring the depth of the ocean?
35. Which one is not correctly matched?
36. For every action there is an equal and opposite reaction. This law was given by:
37. Which one of the following is used for the information related to earthquake?
38. Which one of the following is a vector quantity?
39. A rocket functions on which of the following laws?
40. Frequency is measured in___.
41. What is measured in hertz?
42. Which of the following energy change involves frictional force?
43. 1 Parsec, unit to measure astronomical distance, is equal to
44. Electron volt is a unit of:
45. Which one of the following is a vector quantity?
46. Which of the following is not a vector quantity?
47. Swimming is possible on account of which of the following
48. Who is the first person to define speed?
49. Photometer is used to measure which one of the following?
50. Which one of the following is a scalar quantity?