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Important Scientific Instruments and their usage | psc exam points

Important Scientific Instruments and their usage

💠Accumulator - It is used to store electrical energy
💠Altimeter - It measures altitudes and is used in aircrafts.
💠Ammeter - It measures strength of electric current (in amperes).
💠Anemometer - It measures force and velocity of wind.
💠Audiometer - It measures intensity of sound.
💠Audiphones - 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.
💠Carburettor - 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 the 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.
💠Colorimeter - An instrument for comparing intensities of colour.
💠Commutator - An instrument to change or remove the direction of an electric current, in dynamo used to convert alternating current into direct current.

💠Cresco graph - 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 force, torque and power
💠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.
💠Hydrophone - It measures sound under water.
💠Hygrometer - It measures humidity in air.
💠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.
💠Periscope - It is used to view objects above sea level (used in sub-marines)
💠Phonograph - An instrument for producing sound.
💠Photometer - The instrument compares the luminous intensity of the source of light
💠Potentiometer - It is used for comparing electromotive force of cells.
💠Pyrometer - It measures very high temperature.
💠Quartz Clock - A highly accurate clock used in astronomical observations and other precision work
💠Radar - Radio, angle, detection and range is used to detect the direction and range of an approaching aeroplane by means of radio micro waves

💠Radiometer - It measures the emission of radiant energy.
💠Rain Gauge - An apparatus for recording rainfall at a particular place.
💠Rectifier - An instrument used for the conversion of AC into DC.
💠Refractometer - It measures refractive index.
💠Saccharimeter - It measures the amount of sugar in the solution.
💠Salinometer - It determines salinity of solution.
💠Seismograph - It measures the intensity of earthquake shocks.
💠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.

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