List of scientfic instrument and their use in pdf. scientific instruments like Altimeter,Ammeter,Barometer, Microscope, Dynamo, Bolometer and their use. for compatitive job exam like railway,Psc,ssc,Esic,Lic,bank, and other compatitive job exam.
Scientific Instruments and Their Use
| Sl. No. | Description | Instrument Name |
|---|---|---|
| 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 | instrument to measure the speed, direction and pressure of the wind is called? | Anemometer |
| 4 | An instrument used to measure difference in hearing is called? | Audiometer |
| 5 | An instrument to measure atmospheric pressure and conditions is called? | Barometer |
| 6 | An instrument 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 apparatus 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 |
| 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 Speedometer 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 |
| 38 | A machine for reproducing recorded sound. | Gramophone |
| 39 | An instrument used to measure the moisture content or the Hygrometerhumidity 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 pressure | Manometer |
| 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 |
