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30 Important Scientific Instruments with their uses (General Knowledge)

 Science had made life of people easy and all that was possible because of various instruments which have been developed by inventors. Here we are going to discuss 30 such important scientific instruments with their uses. Here is list of 30 scientific instruments with their uses which are important from various points of view, from General knowledge of class 10 to Job Examination preparation whether of UPSC Civil Services, National Defence Defence Academy (NDA), Railway Recruitment Board (RRB), Special Class Railway Apprentices (SCRA), SSC, and many other more.

scientific instruments and its uses; use of ammeter, barometer,
Hanuman STUDIES

Instruments and its Uses:

USES OF AMMETER, BAROMETER, CALORIMETER, CARDIOGRAM, COMMUTATOR, DYNAMO, ELECTROSCOPE, ELECTRON MICROSCOPE, GALVANOMETER, HYGROMETER
Hanuman STUDIES

1. Ammeter: It is used to measure strength of electric current.

2. Barometer: It is used to measure atmospheric pressure.

3. Calorimeter: It is used to measure quantities of heat.

4. Cardiogram: It is used to measure the movement of the heart which is recorded on a cardiograph.

5. Commutator: The use of commutator is to change or reverse the direction of electric current and it is also used to convert AC into DC.

6. Dynamo: It is a device which converts mechanical energy into electrical energy.

7. Electroscope: It is a device which is used to detect the presence of electric charge.

8. Electron microscope: A device which is used to obtain magnifying view of very small objects by magnifying up-to 20,000 times.

9. Galvanometer: It is device which is used to measure the electric current.

10. Hygrometer: It is used to measure level of humidity.

USES OF LACTOMETER, MICROPHONE, MICROSCOPE, ODOMETER, OHMMETER, PERISCOPE, RADAR, SIESMOGRAPH, SONAR, SPECTROSCOPE
Hanuman STUDIES

11. Lactometer: Used to measure the relative density of milk to determine its purity.

12. Microphone: A device which converts sound waves into electrical vibrations.

13. Microscope: A device which is used to obtain magnified view of small objects.

14. Odometer: It is used to measure the distance travelled by a vehicle.

15. Ohmmeter: A device used to measure the electric resistance in ohm.

16. Periscope: A device used to view objects above sea-level (used in submarine).

17. Radar: A device used to detect the direction and range of any approaching object by means of radio-waves.

18. Siesmo-graph: Used to record the intensity and origin of earthquakes.

19. Sonar: A device used to detect the depth of objects under water.

20. Spectroscope: It is used for spectrum analysis.

USES OF SPEEDOMETER, STETHOSCOPE, TACHOMETER, TELESCOPE, THERMOMETER, THERMOSTAT, TRANSFORMER, VERNIER, VOLTMETER, WATTMETER
Hanuman STUDIES

21. Speedometer: It is used for measuring the speed of the vehicle.

22. Stethoscope: A medical device used for hearing and analysing the sound of the heart.

23. Tachometer: Used to determine the speed, especially the rotational speed of shaft.

24. Telescope: It is used to get magnified view of distant objects.

25. Thermometer: It measure temperature.

26. Thermostat: A device which automatically regulates temperature at a particular point.

27. Transformer: A electric device used to convert high voltage to low and vice-versa without changing frequency.

28. Vernier: It measures small sub-division of scale.

29. Voltmeter: A device used to measure electric potential difference between two points.

30. Wattmeter: A device used to measure power of electric current.

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