Physics
Scientific Instruments & Thier Uses
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- Scientific Instruments & Thier Uses
- Unit and Dimension
- Motion & Friction
- Work, Energy and Power
- Gravitation
- Pressure
- Floatation
- Surface Tension
- Viscosity
- Elasticity
- Simple Harmonic Motion
- Wave
- Sound Wave
- Heat
- Light
- Static Electricity
- Current Electricity
- Magnetism
- Atomic & Nuclear Physics
- Electronics
- Inventions & their Inventors
- Important Discoveries in Physics
- S.I. Units of Physical Quantity
- Conversion of Units from One System to another System
Scientific Instruments & Thier Uses
Instrument |
Use |
Altimeter |
Measures altitudes (used in aircraft) |
Ammeter |
Measures strength of electric current |
Anemometer |
Measures force and velocity of wind and directions |
Audiometer |
Measures intensity of sound |
Barograph |
Continuous recording of atmospheric pressure |
Barometer |
Measures atmospheric pressure |
Binoculars |
To view distant objects |
Bolometer |
To measure heat radiation |
Callipers |
Measure inner and outer diameters of bodies |
Calorimeter |
Measures quantities of heat |
Cardiogram (ECG) |
Traces movements of the heart; recorded on a Cardiograph |
Cathetometer |
Determines heights, measurement of levels, etc., in scientific experiments |
Chronometer |
Determines longitude of a vessel at sea. |
Colorimeter |
Compares intensity of colours |
Commutator |
To change/reverse the direction of electric current; Also used to convert AC into DC |
Cryometer |
A type of thermometer used to measure very low temperatures, usually close to 0°C |
Cyclotron |
A charged particle accelerator which can accelerate charged particles to high energies |
Dilatometer |
Measures changes in volume of substances |
Dyanamo |
Converts mechanical energy into electrical energy |
Dynamometer |
Measures electrical power |
Electro encephalogrameg (EEC) |
Measures and records electrical activity of brain |
Electrometer |
Measures very small but potential difference in electric currents |
Electroscope |
Detects presence of an electric charge |
Electromicroscope |
To obtain a magnifying view of very small objects Capable of magnifying up to 20,000 times |
Endoscope |
To examine internal parts of the body |
Fathometer |
Measures depth of the ocean |
Fluxmeter |
Measures magnetic flux |
Galvanometer |
Measures electric current |
Hydrometer |
Measures the relative density of liquids |
Hygrometer |
Measures level of humidity |
Hydrophone |
Measures sound under water |
Hygroscope |
Shows the changes in atmospheric humidify |
Hypsometer |
To determine boiling point of liquids |
Kymograph |
Graphically records physiological movement. (e.g., blood pressure /heartbeat) |
Lactometer |
Measures the relative density of milk to determine purify |
Machmeter |
Determines the speed of an aircraft in terms of the speed of sound |
Magnetometer |
Compares magnetic moments of magnets and fields |
Manometer |
Measures the pressure of gases |
Micrometer |
Measures distances/angles |
Microphone |
Converts sound waves into electrical vibrations |
Microscope |
To obtain a magnified view of small objects |
Nephetometer |
Measures the scattering of light by particles suspended in a liquid |
Odometer |
To measure distance travelled by a vehicle |
Ohmmeter |
To measure electrical resistance in ohms |
Ondometer |
Measures the frequency of electromagnetic waves, especially in the radio-frequency band |
Periscope |
To view objects above sea level (usedin submarines) |
Photometer |
Compares the luminous intensify of the source of light |
Polygraph |
Instrument that simultaneously records changes in physiological processes such as heartbeat, blood-pressure and respiration; used as a lie detector |
Pyknometer |
Determines the density and coefficient of expansion of liquids |
Pyrheliometer |
Measures components of solar radiation |
Pyrometer |
Measures very high temperature |
Quadrant |
Measures altitudes and angles in navigation and astronomy |
Radar |
To detect the direction and range of an approaching aeroplane by means of radiowaves, (Radio, Angle, Detection and Range) |
Radio micrometer |
Measures heat radiation |
Refractometer |
Measures refractive indices |
Salinometer |
Determines salinity of solutions |
Sextant |
Used by navigators to find the latitude of a place by measuring the elevation above the horizon of the sun or another star; also used to measure the height of very distant objects |
Sonar |
Used to detect objects under water |
Spectroscope |
To observe or record spectra |
Spectrometer |
Spectroscope equipped with calibrated scale to measure the position of spectral lines (Measurement of refractive indices) |
Spherometer |
Measures curvature of spherical objects |
Sphygmometer |
Measures blood pressure |
Stereoscope |
To view two-dimensional pictures |
Stethoscope |
Used by doctors to hear and analyze heart and lung sounds |
Stroboscope |
To view rapidly moving objects |
Tachometer |
To determine speed, especially the rotational speed of a shaft (used in aeroplanes and motorboats) |
Tacheometer |
A theodolite adapted to measure distances, elevations and bearings during survey |
Tangent Galvanometer |
Measures the strength of direct current |
Telemeter |
Records physical happenings at a distant place. |
Teleprinter |
Receives and sends typed messages from one place to another |
Telescope |
To view distant objects in space |
Thermometer |
Measures Temperature |
Thermostat |
Regulates temperature at a particular point |
Tonometer |
To measure the pitch of a sound |
Transponder |
To receive a signal and transmit a reply immediately |
Udometer |
Rain gauge |
Ultrasonoscope |
To measure and use ultrasonic sound (beyond hearing); use to make a Ecogram to detect brain tumours, heart defects and abnormal growth |
Venturimeter |
To measure the rate of flow of liquids |
Vernier |
Measures small sub-division of scale |
Viscometer |
Measures the viscosity of liquid |
Voltmeter |
To measure electric potential difference between two points |
Wattmeter |
To measure the power of an electric circuit |
Wavemeter |
To measure the wavelength of a radiowave |
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