1. Which one of the following is a vector quantity?
2. The unit of electrical resistance of conductor is-
3. Assertion (A) : Most of the time individual rain drops hit the earth’s surface with constant velocities. Reason (R): When an object falls through a viscous fluid, it attains a constant terminal velocity after sometime.
4. Instrument used to measure the intensity of light is called______.
5. The speed of aircraft and ships are represented in knot. The speed of 100 knot will be-
6. The ‘parsec’ is the unit of ________.
7. The device to measure electric current is_____.
8. Which one of the following devices is used to measure extremely high temperature?
9. Relative humidity is measured by:
10. Which of the following unit is measured on Richter scale?
11. The working principle of a washing machine is
12. The density of milk is measured by_____.
13. Fathometer is used to measure?
14. Which of the following energy change involves frictional force?
15. Which one is not correctly matched?
16. How many watts are there in one horsepower?
17. 1 Parsec, unit to measure astronomical distance, is equal to
18. Ohm-meter is unit of____.
19. The equipment used to measure the intensity of sound is-
20. The velocity of wind is measured by_____.
21. Decibel unit is used to measure-
22. Pascal is a unit of measuring:
23. Pyrometer is used to measure -
24. The intensity of earthquake is measured
25. What is measured in hertz?
26. Which of the following is not a vector quantity?
27. Which unit of measurement is multiplied by 0.39 to convert it to ‘inches’?
28. Which one of the following is a reason why astronomical distances are measured in lightyears?
29. Which of the following is not a unit of time?
30. Which of the following device measure the humidity in air?
31. 1 Km distance implies for-
32. ‘Dobson’ unit is used for the measurement of-
33. Joule’ is related to ‘Energy’ like that ‘Pascal’ is related to-
34. Which of the following is measured by anemometer?
35. Which of the following pair is not correctly matched?
36. Swimming is possible on account of which of the following
37. Which of the following quantity is not a vector?
38. 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:
39. Which one of the following is a scalar quantity?
40. How much is one barrel of oil approximately equal to?
41. Microscope is used for the study of which of the following?
42. The thermometer which is used to measure 2000°C temperature, is-
43. Which of the following instruments is used for measuring the depth of the ocean?
44. When electrical energy converts into motion then-
45. Which instrument is used to measure humidity?
46. Which of the following is not correctly matched?
47. The unit of electric power is _____.
48. Which of the following SI units are not correctly matched?
49. In which of the following parameter of temperature does not occur negative value?
50. Photometer is used to measure which one of the following?
