2. 1 Parsec, unit to measure astronomical distance, is equal to
3. The instrument used to check the EMF of a battery is:
4. Which one of the following devices is used to measure extremely high temperature?
5. Pascal is a unit of measuring:
6. Swimming is possible on account of which of the following
7. When electrical energy converts into motion then-
8. Which instrument is used to measure atmospheric pressure?
9. Microscope is used for the study of which of the following?
10. Which one of the following is used for the information related to earthquake?
11. Stethoscope, used by doctors works on the principle of-
12. Pyrometer is used to measure -
13. The liquid used in simple barometer is/are
14. Which of the following is not a vector quantity?
15. How many watts are there in one horsepower?
16. The working principle of a washing machine is
17. Which of the following energy change involves frictional force?
18. Which instrument is used to measure humidity?
19. Which one of the following is not correctly matched?
20. Which one of the following can be used to measure temperature above 1500°C?
21. Relative humidity is measured by:
22. Which one of the following thermometers is known as pyrometer?
23. Which one of the following is a vector quantity?
24. SONAR (Sound Navigational Ranging) technique is used for _____.
25. Which of the following unit is measured on Richter scale?
26. The ‘parsec’ is the unit of ________.
27. When a ball is projected upwards there is an increase in its 1. Potential Energy 2. Momentum 3. Kinetic Energy
29. Instrument used to measure the intensity of light is called______.
30. Electron volt is a unit of:
31. A rocket functions on which of the following laws?
32. Fathometer is used to measure?
33. Megawatt is unit to measure electricity which is-
34. Which one of the following is a scalar quantity?
35. Frequency is measured in___.
36. When a body falls freely towards the earth, then its total energy:
37. The four fundamental forces in the universe are-
38. The density of milk is measured by_____.
39. Which of the following instruments is used for measuring the depth of the ocean?
40. Centripetal force is responsible to
41. 1 Km distance implies for-
42. Energy conservation means-
43. Which one of the following is not a unit of heat?
44. Ball bearings are used in bicycles, cars, etc., because-
45. What is measured in hertz?
46. Hypsometer is used to measure:
47. Which one of the following quantities does not have unit?
48. Angstrom is a unit of____.
49. In which of the following parameter of temperature does not occur negative value?
50. Which one of the following is not correctly matched?