Scientific Instruments and their Functions
- Seismograph: It measures the intensity of earthquake shocks.
- Salinometer: It determines salinity of solution.
- Sonometer: To measure frequency of a tuning fork.
- 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 analyse the heart and lung sounds.
- Stroboscope: It is used to view rapidly moving objects.
- Tachometer: An instrument used in measuring speeds of aeroplanes and motor boats.
- Telescope: It views distant objects in space.
- Thermometer: This instrument is used for the measurement of temperatures.
- Thermostat: It regulates the temperature at a particular point.
- Voltmeter: It measures the electric potential difference between two points.
- Vernier callipers: To measure lengths accurately. important scientific instruments and their functions:
- Altimeter: Measures altitude; commonly used in aircraft.
- Ammeter: Measures electric current strength in amperes.
- Audiometer: Measures sound intensity.
- Barometer: Measures atmospheric pressure.
- Binocular: Used to observe distant objects.
- Burette: Delivers precise, variable volumes of liquid up to its maximum capacity.
- Calorimeter: Measures quantities of heat.
- Cardiogram: Traces heart movements, which are recorded using an electrocardiograph.
- Cinematography: Used in cinema production to project an enlarged sequence of photographs onto a screen.
- Dynamo: Converts mechanical energy into electrical energy.
- Dynamometer: Measures electrical power.
- Electrometer: Measures electricity.
- Electroscope: Detects the presence of an electric charge.
- Endoscope: Examines internal parts of the body.
- Electroencephalogram (EEG): Evaluates electrical activity within the brain.
- Fathometer: Measures ocean depth.
- Galvanometer: Measures low-magnitude electric currents.
- Hydrometer: Measures the specific gravity of liquids.
- Hygrometer: Measures humidity levels in the air.
- Hydrophone: Detects sound underwater.
- Lactometer: Determines the purity of milk.
- Manometer: Measures gas pressures.
- Mariner’s Compass: Used by navigators to determine direction.
- Microphone: Converts acoustic vibrations (sound waves) into electrical signals to amplify sound.
- Microscope: Produces a magnified view of minute objects.
- Odometer: Records the distance traveled by wheeled vehicles.
- Phonograph: Reproduces sound.
- Photometer: Compares the luminous intensity of light sources.
- Periscope: Enables viewing of objects above sea level, primarily utilized in submarines.
- Radar: Detects the direction and distance of approaching aircraft using microwaves or radio waves.
- Pyrometer: A remote-sensing radiation thermometer used to measure high surface temperatures.
- Pyrheliometer: Measures direct-beam solar irradiance.
- Radiometer: Measures the emission of radiant energy.
- Screw Gauge: Measures small dimensions precisely, such as the thickness of a glass plate or the diameter of a thin wire or small sphere.