List of Scientific Instrument

GK STUDY MATERIAL

1.            An instrument used in aircrafts for measuring altitudes is called?               Altimeter

2.            An instrument used to measure the strength of an electric current is called?       Ammeter

3.            An instrument to measure the speed, direction and pressure of the wind is called?         Anemometer

4.            An intrument used to measure difference in hearing is called?   Audiometer

5.            An instrument to measure atmospheric pressure and conditions is called?           Barometer

6.            An intrument used to measure potential difference between two points is called?          Voltmeter

7.            An optical instrument used for magnified view of distant objects is called?           Binoculars

8.            An instrument used to measure the diameters of wire, tube or rod is called?      Callipers

9.            An instrument used to measure quantities of Heat is called?       Calorimeter

10.          An apparatus used for charging air with petrol vapours in an internal combustion engine is called?            Carburettor

11.          An apparatus used for projecting pictures on the screen is called?            Cinematograph

12.          An appratus used for accelerating charged particles is called?      Cyclotron

13.          Data processing machine used to perform large and complex calculation based on the user input is called?                Computer

14.          An instrument used for measuring the temperature of the human body is called?            Thermometer

15.          A device which converts mechanical energy into electrical energy is called?          Dynamo

16.          An instrument used for measuring electrical potential differences is called?         Electrometer

17.          An instrument used for detecting the presence of electric charge is called?          Electroscope

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18.          An instrument used for measuring Electric Current is called?       Galvanometer

19.          An instrument used for measuring depth of the ocean is called?               Fathometer

20.          An instrument used for relative density of liquids is called?          Hydrometer

21.          An instrument used for relative density of milk is called?               Lactometer

22.          An instrument used for magnified view of very small objects is called?   Microscope

23.          An apparatus used in submarines for viewing objects lying above the eye level of the observer is called?                Periscope

24.          An instrument used for comparing the luminous intensity of two sources of light is called?           Photometer

25.          An instrument used to measure high temperature is called?       Pyrometer

26.          An instrument used to measure Rainfall is called?             Rain Gauge

27.          An instrument used for recording the intensity and origin of earthquakes shocks is called?           Siesmograph

28.          An instrument used for measuring angular distance between two objects is called?         Sextant

29.          An instrument used for measuring speed of the vehicle is called?             Speedometer

30.          An apparatus used for converting high voltage to low and vice-versa is called?    Transformer

31.          An instrument that continuously records a barometer’s reading of atmospheric pressure.            Barograph

32.          An instrument used to measure infrared, or heat, radiation.       Bolometer

33.          An instrument used for measuring growth in plants.       Crescograph

34.          An instrument used for tracing movement of heart.        Cardiograph

35.          A clock that keeps very accurate time and determines longitude of a vessel at sea.          Chronometer

36.          An instrument used to examine internal parts of the body.          Endoscope

37.          A glass tube for measuring volumes changes in the chemical reactions between gases.  Eudiometer

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38.          A machine for reproducing recorded sound.       Gramophone

39.          An instrument used to measure the moisture content or the humidity of air or any gas. Hygrometer

40.          A microphone designed to be used underwater for recording or listening to underwater sound.                Hydrophone

41.A device used to measure atmospheric pressureManometer

42.A device which converts sound waves into electrical signals.Microphone

43.An instrument attached to the wheel of a vehicle, to measure the distance traversed.Odometer

44.An instrument used for reproducing sound.Phonograph

45.An instrument used for measuring Solar radiation is called?Pyrheliometer

46.An instrument used for taking angular measurements of altitude in astronomy and navigation is called?Quadrant

47.An instrument for measuring a Refractive Index of a substance is called?Refractometer

48.An instrument used for Spectrum analysis is called?Spectroscope

49.An instrument for measuring blood pressure is called?Sphygmomanometer

50.An instrument for measuring and indicating temperature is called?Thermometer

51.A medical instrument used for hearing and analysing the sound of Heart is called?Stethoscope

52.An apparatus for recording the readings of an instrument and transmitting them by radio is called?Telemeter

53.An instrument used for magnified view of distant objects is called?Telescope

54.A device that automatically regulates constant temperatures is called?Thermostat

55.An instrument used for measuring Viscosity is called?Viscometer

56.A small scale calibrated to indicate fractional divisions of the main scale is called?Vernier Scale

57.An instrument for testing the refractive power of the eye is called?Optometer

58.An instrument designed for visual examination of the eardrum is called?Otoscope

59.A device that measures low temperature is called?Cryometer

60.An instrument used in an aircraft indicating airspeed is called?Machmeter

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