List of Important Scientific Instruments for Competitive Exams
Important Scientific Instruments and their usage : Dear Readers, This is a list of Important scientific instruments that had found a place in competitive exams in the recent past. SSC for example, has a pattern of repeating question & hence it is important you go through this list. This Post is Very Useful for Upcoming SSC & Railway Exams in 2020.
Altimeter : It measures altitudes and is used in aircrafts.
Ammeter : It measures strength of electric current (in amperes).
Audiometer : It measures intensity of sound.
Anemometer : It measures force and velocity of wind.
Audiophone : It is used for Improving imperfect sense of hearing.
Barograph : It is used for continuous recording of atmospheric pressure.
Barometer : It measures atmospheric pressure.
Binocular : It is used to view distant objects
Bolometer : It measures heat radiation.
Calorimeter : It measures quantity of heat.
Carburetor : It is used in an internal combustion engine for charging air with petrol vapour.
Cardiogram : It traces movements of the heart, recorded on a cardiograph.
Chronometer : It determines longitude of a place kept onboard ship.
Cinematography : It is an instrument used in cinema making to throw on screen and enlarged image of photograph.
Crescograph : It measures the growth in plants.
Cyclotron : A charged particle accelerator which can accelerate charged particles to high energies.
Dynamo : It converts mechanical energy into electrical energy.
Dynamometer : It measures electric power
Electrometer : It measure electricity
Electroscope : It detects presence of an electric charge.
Endoscope : It examines internal parts of the body.
Eudiometer : A glass tube for measuring volume changes in chemical reactions between gases.
Fathometer : It measures the depth of the ocean.
Galvanometer : It measures the electric current of low magnitude.
Hydrometer : It measures the specific gravity of liquids.
Hygrometer : It measures humidity in air.
Hydrophone : It measures sound under water.
Kymograph : It graphically records physiological movements (Blood pressure and heart beat).
Lactometer : It determines the purity of milk.
Manometer : It measures the pressure of gases.
Mariner’s compass : It is an instrument used by the sailors to determine the direction.
Microphone : It converts the sound waves into electrical vibrations and to magnify the sound.
Microscope : It is used to obtain magnified view of small objects.
Odometer : An instrument by which the distance covered by wheeled vehicles is measured.
Phonograph : An instrument for producing sound.
Photometer : The instrument compares the luminous intensity of the source of light
Periscope : It is used to view objects above sea level (used in sub-marines).
Potentiometer : It is used for comparing electromotive force of cells.
Pyrometer : It measures very high temperature.
Radar : It is used for detecting the direction and range of an approaching plane by means of radio microwaves.
Rain Gauge : An apparatus for recording rainfall at a particular place.
Radiometer : It measures the emission of radiant energy.
Refractometer : It measures· refractive index.
Saccharimeter : It measures the amount of sugar in the solution.
Seismograph : It measures the intensity of earthquake shocks.
Salinometer : It determines salinity of solution.
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.
Spectrometer : It is an instrument for measuring the energy distribution of a particular type of radiation.
Speedometer : It is an instrument placed in a vehicle to record its speed.
Sphygmomanometer : It measures blood pressure.
Spherometer : It measures the curvatures of surfaces.
Stereoscope : It is used to view two dimensional pictures.
Stethoscope : An instrument which is used by the doctors to hear and analyze heart and lung sounds.
Straboscope : It is used to view rapidly moving objects.
Tachometer : An instrument used in measuring speeds of aero planes and motor boats.
Teleprinter : This instrument receives and sends typed messages from one place to another.
Telescope : It views distant objects in space.
Theodolite : It measures horizontal and vertical angles.
Thermometer : This instrument is used for the measurement of temperatures.
Thermostat : It regulates the temperature at a particular point.
Viscometer : It measures the viscosity of liquids.
Voltmeter : It measures the electric potential difference between two points.
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