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important Scientific Instruments and their Use, , Altimeter, Ammeter, Audiometer, Barometer, Binocular, Burette, , Calorimeter, Cardiogram, Cinematography, , Dynamo, Dynamometer, Electrometer, Electroscope, Endoscope, Electroencephalogram (ECG), Fathometer, Galvanometer, Hydrometer, Hygrometer, Hydrophone, Lactometer, Manometer, Mariner’s compass, Microphone, , Microscope, Odometer, , Phonograph, Photometer, Periscope, Radar, , Pyrometer, Pyrheliometer, , Radiometer, Screw gauge, , , , It measures altitudes and is used in aircrafts., , It measures strength of electric current (in ampere)., , It measures intensity of sound., , It measures atmospheric pressure., , It is used to view distant objects., , It is used to deliver any required volume of a liquid upto its maxirnurn, capacity., , It measures quantity of heat., , It traces movements of the heart, recorded on a cardiograph., , It is an instrument used in cinema making to throw on screen and enlarged, image of photograph., , It converts mechanical energy into electrical energy., , It measures electrical power., , It measures electricity., , It detects presence of an electric charge., , It examines internal parts of the body., , It is a test used to evaluate the electrical activity in the brain., It measures the depth of the ocean., , It measures the electric current of low magnitude,, , It measures the specific gravity of liquids., , It measures humidity in air., , It measures sound under water., , It determines the purity of milk., , It measures the pressures of gases., , It is an instrument used by the sailors to determine the direction., , It converts the sound waves into electrical vibration and to magnify the, sound., , It is used to obtain magnified view of srnall objects., , An instrument by which the distance covered by wheeled vehicles is, measured., , It is used for producing sound., It compares the luminous intensity of the source of light., It is used to view objects above sea level (used in sub marines)., , It is used for detecting the direction and range of an approaching plane by, means or radio microwaves., , It is a remote - sensing radiation therrnometer used to measure the high, temperature of the surface., , It is an instrument for measurement of direct beam solar irradiance,, It measures the emission of radiant energy., , It is used to measure thickness of a thin glass plate and diameter of a thin, wire or a small sphere.

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=a since, , Salinometer, Sonometer, Spectrometer, , Speedometer, Sphygmornanometer, Spheromieter, Stereoscope, Stethoscope, , Straboscope, Tachometer, Telescope, Thermometer, Thermostat, Voltmeter, Vernier cailipers, , , , It measures the intensity of earthquake shocks., , | It determines salinity of solution., , To measure frequency of a tunning fork., , It is an instrument for measuring the energy distribution of a Particular typa, of radiation. ”, , It is an instrurnent placed in a vehicle to record its speed,, it measures blood pressure., , It measures the curvatures of surfaces., , It is used to view two dimensional pictures., , An instrurnent which is used by the doctors to hear and analyse the heart, and lung sounds., , It is used to view rapidly moving objects., , An instrument used in measuring speeds of aeroplanes and motor boats., It views distant objects in space., , This instrument is used for the measurement of temperatures., , It regulates the temperature at 2 particular point., , It measures the electric potential difference between two points., , To measure lengths accurately.