Wednesday, October 8, 2014

Important Scientific Instruments and their Work

Important Scientific Instruments and their Work

  1. Cinematography:  It is an instrument used in cinema making to throw on screen and enlarged image of photograph.
  2. Crescograph:  It measures the growth in plants.
  3. Cyclotron:  A  charged  particle  accelerator  which  can  accelerate  charged  particles  to  high energies.
  4. Dynamo: It converts mechanical energy into electrical energy.
  5. Dynamometer: It measures electric power
  6. Electrometer: It measure electricity
  7. Electroscope: It detects presence of an electric charge.
  8. Endoscope: It examines internal parts of the body.
  9. Eudiometer: A glass tube for measuring volume changes in chemical reactions between gases.
  10. Fathometer: It measures the depth of the ocean.
  11. Galvanometer: It measures the electric current of low magnitude.
  12. Hydrometer: It measures the specific gravity of liquids.
  13. Hygrometer: It measures humidity in air.
  14. Hydrophone: It measures sound under water.
  15. Kymograph: It graphically records physiological movements (Blood pressure and heart beat).
  16. Lactometer: It determines the purity of milk.
  17. Manometer: It measures the pressure of gases.
  18. Mariner’s compass: It is an instrument used by the sailors to determine the direction.
  19. Microphone: It converts the sound waves into electrical vibrations and to magnify the sound.
  20. Microscope: It is used to obtain magnified view of small objects.
  21. Odometer: An instrument by which the distance covered by wheeled vehicles is measured.
  22. Phonograph: An instrument for producing sound.
  23. Photometer: The instrument compares the luminous intensity of the source of light
  24. Periscope: It is used to view objects above sea level (used in sub-marines).
  25. Potentiometer: It is used for comparing electromotive force of cells.
  26. Pyrometer: It measures very high temperature.
  27. Radar: It is used for detecting the direction and range of an approaching plane by means of radio microwaves.
  28. Rain Gauge: An apparatus for recording rainfall at a particular place.
  29. Radiometer: It measures the emission of radiant energy.
  30. Refractometer: It measures· refractive index.
  31. Saccharimeter: It measures the amount of sugar in the solution.
  32. Seismograph: It measures the intensity of earthquake shocks.
  33. Salinometer: It determines salinity of solution.
  34. Sextant: 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.
  35. Spectrometer: It is an instrument for measuring the energy distribution of a particular type of radiation.
  36. Speedometer: It is an instrument placed in a vehicle to record its speed.
  37. Sphygmomanometer: It measures blood pressure.
  38. Spherometer: It measures the curvatures of surfaces.
  39. Stereoscope: It is used to view two dimensional pictures.
  40. Stethoscope: An instrument which is used by the doctors to hear and analyze heart and lung sounds.
  41. Straboscope: It is used to view rapidly moving objects.
  42. Tachometer: An instrument used in measuring speeds of aero planes and motor boats.
  43. Teleprinter: This instrument receives and sends typed messages from one place to another.
  44. Telescope: It views distant objects in space.
  45. Theodolite: It measures horizontal and vertical angles.
  46. Thermometer: This instrument is used for the measurement of temperatures.
  47. Thermostat: It regulates the temperature at a particular point.
  48. Viscometer: It measures the viscosity of liquids.
  49. Voltmeter: It measures the electric potential difference between two points.
  50. Altimeter: It measures altitudes and is used in aircrafts.
  51. Ammeter: It measures strength of electric current (in amperes).
  52. Audiometer: It measures intensity of sound.
  53. Anemometer: It measures force and velocity of wind.
  54. Audiophone It is used for Improving imperfect sense of hearing.
  55. Barograph: It is used for continuous recording of atmospheric pressure.
  56. Barometer: It measures atmospheric pressure.
  57. Binocular: It is used to view distant objects
  58. Bolometer: It measures heat radiation.
  59. Calorimeter: It measures quantity of heat.
  60. Carburetor: It is used in an internal combustion engine for charging air with petrol vapour.
  61. Cardiogram: It traces movements of the heart, recorded on a cardiograph.
  62. Chronometer: It determines longitude of a place kept onboard ship.

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