Saturday, March 2, 2019

Important Scientific Instrument and their uses


important scientific intrument for ssc and RRB exams

  1. Altimeter :- It measures altitudes and is used in aircrafts.
  2. Ammeter :- It measures strength of electric current.
  3. Audiometer :- It measures intensity of sound.
  4. Barometer :- It measures atmospheric pressure.
  5. Binocular :- It is used to view distant objects.
  6. Calorimeter :- It measures quantity of heat.
  7. Cardiogram :- It trace movement of heart, recorded on a cardiograph.
  8. Dynamo :- It converts mechanical energy into electrical energy.
  9. Fathometer :- It measures the depth of the ocean.
  10. Galvanometer :- It measures the electric current of low magnitude.
  11. Hydrometer :- It measures the specific gravity of liquids.
  12. Hygrometer :- It measures humidity in air.
  13. Lacometer :- It determines the purity of milk.
  14. Manometer :- It measures the pressures of the gases.
  15. Odometer :- It is an instrument by which the distance covered by wheeled vehicles is measured.
  16. Phonograph :- It is used for producing sounds.
  17. Photometer :- It compares the luminous intensity of the source of light.
  18. Periscope :- It is used in submaines to view objects above sea level.
  19. Radar :- It is used for detecting the direction and range of an approaching plane by means of radio microwaves.
  20. Seismograph :- It measures intensity of earthquake.
  21. Salinometer :- It determine salinity of solution.
  22. Sonometer :- It measures frequency of a tunning fork.
  23. Speedometer :- It is an instrument placed in a vehical to record its speed.
  24. Sphygmomanometer :- It is used to measure blood pressure.
  25. Stethoscope :- It is an instrument which is used by the doctors to hear and analyse the heart and lung sounds.
  26. Thermometer :- This instrument is used for the measurement of temprature.
  27. Thermostat :- It regulates the temprature at a particular point.
  28. Voltmeter :- It measures the electric potential difference between two points.

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