Scientific Instruments CLAT Notes | EduRev

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CLAT : Scientific Instruments CLAT Notes | EduRev

The document Scientific Instruments CLAT Notes | EduRev is a part of the CLAT Course Current Affairs & General Knowledge.
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Scientific Instruments: The Pursuit of Knowledge

  • Science has helped in making our lives easier and better. Scientific study requires carrying out various experiments and analyzing the data which is obtained. Various instruments act as aids in this pursuit of knowledge. How many of these scientific instruments are you aware of?
  • Here is a list of some important scientific instruments that you must know about. Remember that this is just a suggestive list and not exhaustive by any counts. Use this as a tool to aid and forward your preparation.

Scientific Instruments CLAT Notes | EduRev

1. Scientific Instrument: Altimeter
Utility: Measures altitude (usually used in aircrafts)

Try yourself:What does an Altimeter measure?
View Solution

2. Scientific Instrument: Audiometer
Utility: Measures the intensity of sound
Scientific Instruments CLAT Notes | EduRevAudiometer3. Scientific Instrument: Accumulator
Utility: It is used to store electrical energy

4. Scientific Instrument: Ammeter
Utility: It measures the strength of electric current (in amperes).
Scientific Instruments CLAT Notes | EduRev5. Scientific Instrument: Anemometer
Utility: It measures the force and velocity of the wind.
Scientific Instruments CLAT Notes | EduRevAnemometer6. Scientific Instrument: Audiphones
Utility: It is used for improving the imperfect sense of hearing.

7. Scientific Instrument: Barograph
Utility: It is used for continuous recording of atmospheric pressure.

8. Scientific Instrument: Barometer
Utility: It measures atmospheric pressure.
Scientific Instruments CLAT Notes | EduRevBarometer9. Scientific Instrument: Binocular

Utility: It is used to view distant objects.

10. Scientific Instrument: Bolometer
Utility: Measures heat radiation.

Try yourself:Which is used to measure heat radiation?
View Solution

11. Scientific Instrument: Colorimeter
Utility: Compares the intensity of colours

Try yourself:Which is used to compare intensity of colours?
View Solution

Scientific Instruments CLAT Notes | EduRevColorimeter

12. Scientific Instrument: Calorimeter
Utility: It measures the quantity of heat.

13. Scientific Instrument: Carburettor
Utility: It is used in an internal combustion engine for charging the air with petrol vapour.

14. Scientific Instrument: Cardiogram
Utility: It traces movements of the heart, recorded on a cardiograph.
Scientific Instruments CLAT Notes | EduRev
15. Scientific Instrument: Chronometer
Utility: It determines the longitude of a place in a ship.

16. Scientific Instrument: CinematographyUtility: It is an instrument used in cinema making to throw on screen and enlarged image of the photograph.

17. Scientific Instrument: Commutator
Utility: An instrument to change or remove the direction of an electric current, in dynamo used to convert alternating current into direct current.
Scientific Instruments CLAT Notes | EduRevCommutator18. Scientific Instrument: Cresco graphUtility: It measures the growth in plants.

19. Scientific Instrument: Cyclotron
Utility: A charged particle accelerator which can accelerate charged particles to high energies.
Scientific Instruments CLAT Notes | EduRev
20. Scientific Instrument: Dynamometer
Utility: It measures force, torque, and power.

21. Scientific Instrument: Dynamo
Utility: Converts mechanical energy to electrical energy.
Scientific Instruments CLAT Notes | EduRev
22. Scientific Instrument: Electroscope
Utility: Detects the presence of an electric charge.

23. Scientific Instrument: Endoscope
Utility: It examines the internal parts of the body.
Scientific Instruments CLAT Notes | EduRev
24. Scientific Instrument: Eudiometer
Utility: A glass tube for measuring volume changes in chemical reactions between gases.

25. Scientific Instrument: Fathometer
Utility: It measures the depth of the ocean.

Try yourself:Which instrument is used to measure the depth of the ocean?
View Solution

26. Scientific Instrument: Galvanometer
Utility: It measures the electric current of low magnitude.
Scientific Instruments CLAT Notes | EduRev
27. Scientific Instrument: Hydrometer
Utility: It measures the specific gravity of liquids.

28. Scientific Instrument: Hydrophone
Utility: It measures sound underwater.

Try yourself:Which is used to measure sound under water?
View Solution

Scientific Instruments CLAT Notes | EduRev
29. Scientific Instrument: Hygrometer
Utility: Measures moisture content in the atmosphere
Scientific Instruments CLAT Notes | EduRev
30. Scientific Instrument: Hydrophone
Utility: Converts acoustic energy into electrical energy (used in passive underwater systems).

31. Scientific Instrument: Kymograph
Utility: It graphically records physiological movements (Blood pressure and heartbeat).

32. Scientific Instrument: Lactometer
Utility: It determines the purity of milk.

33. Scientific Instrument: Manometer
Utility: It measures the pressure of gases.
34. Scientific Instrument: Mariner’s compass
Utility: It is an instrument used by the sailors to determine the direction.
Scientific Instruments CLAT Notes | EduRev
35. Scientific Instrument: Microphone
Utility: It converts the sound waves into electrical vibrations and to magnify the sound.

Try yourself:Which device converts sound energy into electrical energy?
View Solution

36. Scientific Instrument: Microscope
Utility: It is used to obtain a magnified view of small objects.

Scientific Instruments CLAT Notes | EduRev
37. Scientific Instrument: Ohmmeter
Utility: Measures electric resistance in objects.

38. Scientific Instrument: Odometer
Utility: An instrument by which the distance covered by wheeled vehicles is measured.

39. Scientific Instrument: Periscope
Utility: It is used to view objects above sea level (used in submarines).
Scientific Instruments CLAT Notes | EduRev40. Scientific Instrument: Phonograph
Utility: An instrument for producing sound.

Scientific Instruments CLAT Notes | EduRev
41. Scientific Instrument: Potentiometer
Utility: It is used for comparing the electromotive force of cells.

42. Scientific Instrument: Photometer
Utility: Compares the luminous intensity of the source of light

43. Scientific Instrument: Pyrometer
Utility: Measures temperature of a surface (usually used for very high temperatures)
Scientific Instruments CLAT Notes | EduRev
44. Scientific Instrument: Pyknometer
Utility: Determines the density and coefficient of expansion of liquids.

45. Scientific Instrument: Quartz Clock
Utility: A highly accurate clock used in astronomical observations and other precision work.

46. Scientific Instrument: Radar
Utility: Radio, angle, detection and range is used to detect the direction and range of an approaching aeroplane by means of radio microwaves.
47. Scientific Instrument: Rain Gauge
Utility: An apparatus for recording rainfall at a particular place.
Scientific Instruments CLAT Notes | EduRev
48. Scientific Instrument: Rectifier
Utility: An instrument used for the conversion of AC into DC.

49. Scientific Instrument: Radiometer
Utility: Measures the emission of radiant energy (radiant flux of electromagnetic radiation)

50. Scientific Instrument: Refractometer
Utility: Measures refractive index
Scientific Instruments CLAT Notes | EduRev
51. Scientific Instrument: Salinometer
Utility: Determines salinity of the solution.

52. Scientific Instrument: Seismograph
Utility: Measures the intensity of earthquake shocks

Try yourself:Which instrument is used to measure the intensity of earthquake?
View Solution


Scientific Instruments CLAT Notes | EduRev
53. Scientific Instrument: Spherometer
Utility: Measures curvature of spherical objects

54. Scientific Instrument: Saccharimeter
Utility: It measures the amount of sugar in the solution.

55. Scientific Instrument: Sextant
Utility: This is used by navigators to find the latitude of a place by measuring the elevation above the horizon of the sun or another star.
Scientific Instruments CLAT Notes | EduRev56. Scientific Instrument: Spectrometer
Utility: It is an instrument for measuring the energy distribution of a particular type of radiation.

57. Scientific Instrument: Spectroscope
Utility: An instrument used for spectrum analysis

58. Scientific Instrument: Speedometer
Utility: It is an instrument placed in a vehicle to record its speed.

Try yourself:Name the instrument which indicates speed at which a vehicle is moving?
View Solution

59. Scientific Instrument: Sphygmomanometer
Utility: It measures blood pressure.

60. Scientific Instrument: Stereoscope
Utility: It is used to view two dimensional pictures.
Scientific Instruments CLAT Notes | EduRev

61. Scientific Instrument: Stethoscope
Utility: An instrument which is used by the doctors to hear and analyse heart and lung sounds.

Try yourself:The variation in the blood now can be heard With an instrument called____________?
View Solution

62. Scientific Instrument: Stroboscope
Utility: It is used to view rapidly moving objects.

63. Scientific Instrument: Tachometer
Utility: An instrument used in measuring speeds of aeroplanes and motorboats.

64. Scientific Instrument: Teleprinter
Utility: This instrument receives and sends typed messages from one place to another.

65. Scientific Instrument: Theodolite
Utility: It measures horizontal and vertical angles.

66. Scientific Instrument: Thermometer
Utility: This instrument is used for the measurement of temperatures.

67. Scientific Instrument: Thermostat
Utility: It regulates the temperature at a particular point.

68. Scientific Instrument: Transistor
Utility: A small device which may be used to amplify currents and perform other functions usually performed by a thermionic valve

69. Scientific Instrument: Telescope
Utility: Views distant objects in space

70. Scientific Instrument: Udometer
Utility: It is used to measure the amount of liquid precipitation over a set period of time. It is also called Rain Gauge.

71. Scientific Instrument: Vernier
Utility: An adjustable scale for measuring small subdivisions of scale

72. Scientific Instrument: Viscometer
Scientific Instruments CLAT Notes | EduRevUtility: Measures the viscosity of liquids

Try yourself:Which is used to measures the viscocity of liquid?
View Solution

73. Scientific Instrument: Voltmeter
Utility: Measures the electric potential difference between two points.

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