Scientific Instruments Notes | Study Current Affairs & General Knowledge - CLAT

CLAT: Scientific Instruments Notes | Study Current Affairs & General Knowledge - CLAT

The document Scientific Instruments Notes | Study Current Affairs & General Knowledge - CLAT is a part of the CLAT Course Current Affairs & General Knowledge.
All you need of CLAT at this link: CLAT

  • Science has helped in making our lives easier and better. The scientific study requires carrying out various experiments and analyzing the data which is obtained. Various instruments act as aids in this pursuit of knowledge. 
  • Here is a list of some important scientific instruments that you must know about. Remember that this is just a suggestive list and not exhaustive by any count. Use this as a tool to aid and forward your preparation.

Scientific Instruments Notes | Study Current Affairs & General Knowledge - CLAT

  • Altimeter: Measures altitude (usually used in aircraft).
  • Audiometer: Measures the intensity of sound.
    AudiometerAudiometer
  • Accumulator: It is used to store electrical energy.
  • Ammeter: It measures the strength of electric current (in amperes).

Try yourself:What does an Altimeter measure?
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  • Anemometer: It measures the force and velocity of the wind.

AnemometerAnemometer

  • Audiphones: It is used for improving the imperfect sense of hearing.
  • Barograph: It is used for continuous recording of atmospheric pressure.
  • Barometer: It measures atmospheric pressure.
    BarometerBarometer
  • Binocular: It is used to view distant objects.
  • Bolometer: Measures heat radiation.

Try yourself:Which is used to measure heat radiation?
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  • ColorimeterCompares the intensity of colours.
    ColorimeterColorimeter
  • Calorimeter: It measures the quantity of heat.
  • Carburettor: It is used in an internal combustion engine for charging the air with petrol vapour.
  • Cardiogram: It traces movements of the heart, recorded on a cardiograph.Scientific Instruments Notes | Study Current Affairs & General Knowledge - CLAT
  • Chronometer: It determines the longitude of a place on a ship.
  • Cinematograph: It is an instrument used in cinema making to throw on screen and enlarged image of the photograph.

Try yourself:Which is used to compare intensity of colours?
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  • Commutator: An instrument to change or remove the direction of an electric current, in dynamo used to convert alternating current into direct current.
    CommutatorCommutator
  • CrescographIt measures the growth of plants.
  • Cyclotron: A charged particle accelerator that can accelerate charged particles to high energies.Scientific Instruments Notes | Study Current Affairs & General Knowledge - CLAT
  • Dynamometer: It measures force, torque, and power.
  • DynamoConverts mechanical energy to electrical energy.
    Scientific Instruments Notes | Study Current Affairs & General Knowledge - CLAT
  • Electroscope: Detects the presence of an electric charge.
  • Endoscope: It examines the internal parts of the body.Scientific Instruments Notes | Study Current Affairs & General Knowledge - CLAT
  • EudiometerA glass tube for measuring volume changes in chemical reactions between gases.
  • FathometerIt measures the depth of the ocean.

Try yourself:Which instrument is used to measure the depth of the ocean?
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  • Galvanometer: It measures the electric current of low magnitude.Scientific Instruments Notes | Study Current Affairs & General Knowledge - CLAT
  • Hydrometer: It measures the specific gravity of liquids.
  • Hydrophone: It measures sound underwater.

Try yourself:Which is used to measure sound under water?
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Scientific Instruments Notes | Study Current Affairs & General Knowledge - CLAT

  • Hygrometer: Measures moisture content in the atmosphere.Scientific Instruments Notes | Study Current Affairs & General Knowledge - CLAT
  • Hydrophone: Converts acoustic energy into electrical energy (used in passive underwater systems).
  • Kymograph: It graphically records physiological movements (Blood pressure and heartbeat).
  • 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.Scientific Instruments Notes | Study Current Affairs & General Knowledge - CLAT
  • Microphone: It converts the sound waves into electrical vibrations and magnifies the sound.

Try yourself:Which device converts sound energy into electrical energy?
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  • Microscope: It is used to obtain a magnified view of small objects.Scientific Instruments Notes | Study Current Affairs & General Knowledge - CLAT
  • Ohmmeter: Measures electric resistance in objects.
  • Odometer: An instrument by which the distance covered by wheeled vehicles is measured.
  • PeriscopeIt is used to view objects above sea level (used in submarines).
    Scientific Instruments Notes | Study Current Affairs & General Knowledge - CLAT
  • PhonographAn instrument for producing sound.
    Scientific Instruments Notes | Study Current Affairs & General Knowledge - CLAT
  • Potentiometer: It is used for comparing the electromotive force of cells.
  • Photometer: Compares the luminous intensity of the source of light.
  • Pyrometer: Measures the temperature of a surface (usually used for very high temperatures).Scientific Instruments Notes | Study Current Affairs & General Knowledge - CLAT
  • Pyknometer: Determines the density and coefficient of expansion of liquids.
  • 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 airplane by means of radio microwaves.
  • Rain Gauge: An apparatus for recording rainfall at a particular place.
    Scientific Instruments Notes | Study Current Affairs & General Knowledge - CLAT
  • RectifierAn instrument used for the conversion of AC into DC.
  • Radiometer: Measures the emission of radiant energy (radiant flux of electromagnetic radiation).
  • Refractometer: Measures refractive index.
    Scientific Instruments Notes | Study Current Affairs & General Knowledge - CLAT
  • Salinometer: Determines salinity of the solution.
  • Seismograph: Measures the intensity of earthquake shocks.

Scientific Instruments Notes | Study Current Affairs & General Knowledge - CLAT

Try yourself:Which instrument is used to measure the intensity of earthquake?
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  • Spherometer: Measures curvature of spherical objects.
  • Saccharimeter: It measures the amount of sugar in the 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.
    Scientific Instruments Notes | Study Current Affairs & General Knowledge - CLAT
  • Spectrometer: It is an instrument for measuring the energy distribution of a particular type of radiation.
  • Spectroscope: An instrument used for spectrum analysis.
  • SpeedometerIt is an instrument placed in a vehicle to record its speed.

Try yourself:Name the instrument which indicates speed at which a vehicle is moving?
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  • Sphygmomanometer: It measures blood pressure.
  • Stereoscope: It is used to view two-dimensional pictures.
    Scientific Instruments Notes | Study Current Affairs & General Knowledge - CLAT
  • StethoscopeAn instrument that is used by doctors to hear and analyze heart and lung sounds.

Try yourself:The variation in the blood now can be heard With an instrument called____________?
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  • Stroboscope: It is used to view rapidly moving objects.
  • Tachometer: An instrument used in measuring the speeds of aeroplanes and motorboats.
  • Teleprinter: This instrument receives and sends typed messages from one place to another.
  • 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.
  • Transistor: A small device that may be used to amplify currents and perform other functions usually performed by a thermionic valve.
  • Telescope: Views distant objects in space.
  • Udometer: It is used to measure the amount of liquid precipitation over a set period of time. It is also called Rain Gauge.
  • Vernier: An adjustable scale for measuring small subdivisions of scale.
  • Viscometer: Measures the viscosity of liquids.Scientific Instruments Notes | Study Current Affairs & General Knowledge - CLAT

Try yourself:Which is used to measures the viscocity of liquid?
View Solution

  • Voltmeter: Measures the electric potential difference between two points.
  • Watt Meter: The wattmeter is an instrument for measuring the electric active power in watts of any given circuit.
  • Wind Vane: A wind vane (also known as a weather vane) is an instrument that tells you the wind direction. 
  • Zymometer: an instrument for measuring the degree of fermentation.

The document Scientific Instruments Notes | Study Current Affairs & General Knowledge - CLAT is a part of the CLAT Course Current Affairs & General Knowledge.
All you need of CLAT at this link: CLAT

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