Important Scientific Instruments For SSC

 

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.