SCIENTIFIC INSTRUMENTS

·   Hydrometer measures humidity

·   Barometer measures atmospheric pressure

·   Purity of milk is measured by lactometer

·   Fathometer measures the depth of oceans.

·   Sextant is used for measuring altitude of Sun and other heavenly bodies

·   Chronometer records accurate time on ships

·   Algesimeter indicates the degree of sensitiveness of skin

·   Altimeter measures altitudes

·   Ammeter measures current

·   Anemometer records velocity of wind

·   Cyamometer measures blueness of sky or ocean

·   Dasymeter measures density of gas

·   Galvanometer measures small electric current

·   Hydrometer measures relative density of liquids

·   Hygrometer measures humidity in atmosphere

·   Hypsometer measures atmospheric pressure to ascertain elevations by determining boiling point of liquid. Or Hypsometer is an instrument for measuring the height above sea level.

·   Manometer measures pressure of gases

·   Micrometer measures minute distances

·   Periscope is used for viewing objects above eye level

·   Cyclotron is used for electromagnetic acceleration of charged atoms

·   Geiger counter is used for detecting and recording radioactivity. It was invented by Hans Geiger (1882-1945)

·   Pyrometer measures high temperatures

·   Refrectometer measures refractive index of a substance

·   Seismograph measures intensity of earthquake

·   Telstar transmits wireless or T.V broadcast

·   Viscometer measures viscosity of liquids

·   Spiro graph records the movement of lungs

·   Photometer measures rate of transpiration

·   Scotograph is used for enbling blind to write

·   Eratosthenes measures distance round the earth

·   Kaldio-scopes have proved helpful in finding the amount of dampness in soil

·   Mohr’s scale measures degree of hardness of minerals

·   RBC and WBC is bloods are counted by Hemocytometer.

·   Manometer is the instrument of measuring gas pressure.

·   Spectrometer instrument for measuring the spectrum of light.

·   The variation in the blood flow can be heard with an instrument called _ stethoscope _

·   What is measured by an interferometer-Wavelength of light

·   Hydrophone is used for measuring sound under water.

·   Magnometer is an instrument designed to compare the magnetic movement and field.

·   Potometer is used to measure the rate of respiration in animal and plants.

·   For measuring solar radiation we use pyrheliometer.

·   Actimometer measures direct heating power of the Sun.

·   Ammeter is use for measuring current strength.

·   Manometer is the instrument of measuring gas pressure.

·   Spectrometer instrument for measuring the spectrum of light.

·   An instrument known as rain gauge makes the measurement of rainfall.

·   What is measured with an ombrometer-Rainfall

·   The instrument used to measure very high temperature: Infrared pyrometers

·   Mechanical energy into electrical energy: Generator

·   Heat energy into mechanical energy: Heat engine or steam engine.

·   Electrical energy into mechanical energy: Electrical Motor

·   Electrical energy into sound energy: Loudspeaker

·   Sound energy into electrical energy: Microphone

·   The device used to measure radioactivity: Geiger-Muller tube

·   The device which converts the chemical energy into electrical energy: Battery

·   The device used to measure radioactivity. Geiger counter

·   Hygrometer is instrument used for measuring humidity of air.

·   Heliscope is used for viewing the sun.

·   What does a potometer measure- Water intake

·   Clinical thermometer usually measures in Fahrenheit.

·   Actimometer measures direct heating power of the Sun.

·   Ammeter is use for measuring current strength

·   Voltammeter is an electrolytic cell for conducting electrolytic dissociation of electrolyte.

·   What does a drosomoter measure: Dew

·   Relative density of an atmosphere is measured by hygrometer.

·   Spirograph is an apparatus used for recording the movement of the lungs.

·   The maximum limit of sound beyond which a person can become deaf is 129 lbs.

·   Charles K Rhodes developed an X-Ray emitting laser in 1990.

·   Son meter is an instrument used to study the behavior of vibrating string.

The instrument used for measuring the velocity of wind is known as anemometer.