1. Which of the following is the instrument used in submarines to view objects above sea level?
2. Sudden fall in the barometer reading is an indication of ……..
4. Instrument for measuring rainfall is called
5. Which of the following instrument is used to check the purity of milk by measuring the relative density of milk?
6. Device used for the detection and measurement of all types of radiation (alpha, beta and gamma)
7. Which of the following is the basic SI unit of thermodynamic temperature?
8. What is the relation between 'atm' and 'bar'?
9. Sphygmomanometer measures the blood pressure in the
10. Which of the following is the SI unit of temperature?
11. An anemometer measures which of the following?
12. Name the instrument which is used by meteorologists to measure the hemispherical area of incidence of solar radiation on a flat surface?
13. What is the SI Unit of time?
14. Instrument for measuring low temperatures is called
15. Sextant is an instrument used in which of the following?
16. Infrared optical ______ can be used for measuring and monitoring temperatures and hot spots of jet engine rotor blades.
17. Wind vane instrument determines ____
18. What is the formula of Pressure in Physics?
19. Which instrument is used for photographing the Sun?
20. One nanometer is equal to……….meters.
21. Which instrument is used to measure the intensity of light produced by an unknown source in terms of a standard source?
22. The instrument used to measure Blood Pressure is
23. A device that can be used to test whether an object is carrying a charge or not is known as:
24. Instrument for measuring time is called………
25. Which device is used to measure the depth of ocean?
26. 1 Horse power is equal to ................. watts.
27. Anemometer is an instrument for measuring ...
28. A galvanometer can be converted into a voltmeter by connecting with it a
29. Instrument for measuring blueness of the sky or ocean is called..........
30. Which of the following pairing is incorrect
31. A galvanometer can be converted into a voltmeter by connecting with it a
32. Instrument for measuring work performed is called ............
33. A galvanometer can be converted to a voltmeter by connecting
34. Instrument for measuring wind velocity is called
35. The relative humidity is measured with the help of:
36. What is the SI Unit of quantity of heat?
37. Which of the following device is used to measure wind speed?
38. 'Femto' means ten raised to the power of –––.
39. Which of the following is equivalent to coulomb per second?
40. Which device is used to measure earthquakes?
41. Seismograph is used to measurement of _______.
42. ____measures air humidity:
43. Hertz is the S.I Unit of -
44. What is the sensory receptor related to blood pressure detection?
45. The meter that measures the speed of the vehicle is called______.
46. The Beaufort scale is used to measure:
47. 'Torr' is a unit of ––––––.
48. Which of the following scientific instruments is used to measure the atmospheric pressure?
49. For what is Mohs scale used?
50. Which of the following is a meteorological instrument, which consists of a funnel shaped collector, connected to a measuring tube and is used to measure the rain fall in per unit area over a specified period of time?