1. 1 Kg/cm² pressure is equivalent to:
2. The equipment used to measure the intensity of sound is-
4. A rocket functions on which of the following laws?
5. What is measured in Cusecs?
6. Which one of the following is not correctly matched?
7. Which one of the following is not a unit of heat?
8. Which of the following device measure the humidity in air?
9. Frequency is measured in___.
10. Fathometer is used to measure?
11. Swimming is possible on account of which of the following
12. Which one of the following is not a unit of heat?
13. Which one of the following is not correctly matched?
14. For every action there is an equal and opposite reaction. This law was given by:
15. Which unit of measurement is multiplied by 0.39 to convert it to ‘inches’?
16. Which of the following pair is not correctly matched?
18. Instrument used to measure the intensity of light is called______.
20. One light year is equivalent to roughly how many kilometers?
21. Which of the following is measured by anemometer?
22. The speed of aircraft and ships are represented in knot. The speed of 100 knot will be-
23. Ball bearings are used in bicycles, cars, etc., because-
24. Megawatt is unit to measure electricity which is-
25. The instrument used to check the EMF of a battery is:
26. Which of the following is not correctly matched?
27. When a ball is projected upwards there is an increase in its 1. Potential Energy 2. Momentum 3. Kinetic Energy
28. Angstrom is a unit of____.
29. Ball bearings are used to convert static friction into
30. The density of milk is measured by_____.
31. What is measured in hertz?
32. What is the unit of atmospheric pressure?
33. 1 Parsec, unit to measure astronomical distance, is equal to
34. Which of the following unit is measured on Richter scale?
35. Decibel unit is used to measure-
36. Which of the following quantity is not a vector?
37. In which of the following parameter of temperature does not occur negative value?
38. Which of the following is not a vector quantity?
39. 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.
40. Which one of the following thermometers is known as pyrometer?
41. Which one of the following is a reason why astronomical distances are measured in lightyears?
42. Given below are two statements: Statement I: Force has magnitude as well as direction. Statement II: Sliding friction is smaller than static friction. In the light of the above statements, choose the most appropriate answer from the options given below:
43. Mercury is generally used in thermometer due to its characteristic of-
44. Pyrometer is used to measure -
45. The intensity of earthquake is measured by:
46. The ‘parsec’ is the unit of ________.
47. Hypsometer is used to measure:
48. Joule’ is related to ‘Energy’ like that ‘Pascal’ is related to-
49. The velocity of wind is measured by_____.
50. 'Ringelmann scale' is used to measure density of :