Important Scientific Instruments and their usage
Important Scientific Instruments and their usage
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- Accumulator : It is used to store electrical energy
- Altimeter : It measures altitudes and is used in aircraft.
- Ammeter : It measures strength of electric current (in amperes).
- Anemometer : It measures force and velocity of the wind.
- Audiometer : It measures the intensity of sound.
- 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.
- Binocular : It is used to view distant objects
- Bolometer : It measures heat radiation
- Calorimeter : It measures the quantity of heat.
- Carburettor : It is used in an internal combustion engine for charging the air with petrol vapor.
- Cardiogram : It traces movements of the heart, recorded on a cardiograph.
- Chronometer : It determines the longitude of a place kept the onboard ship.
- Cinematography : It is an instrument used in cinema making to throw on screen and enlarged image of the photograph.
- Colorimeter : An instrument for comparing intensities of color.
- Commutator : An instrument to change or remove the direction of an electric current, in dynamo used to convert alternating current into direct current.
- Cresco graph : 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 force, torque, and power
- Electroscope : It detects the 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.
- Hydrophone : It measures sound under water.
- Hygrometer : It measures humidity in the air.
- 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.
- Microphone : It converts the sound waves into electrical vibrations and to magnify the sound.
- Microscope : It is used to obtain the magnified view of small objects.
- Odometer : An instrument by which the distance covered by wheeled vehicles is measured.
- Periscope : It is used to view objects above sea level (used in submarines)
- Phonograph : An instrument for producing sound.
- Photometer : The instrument compares the luminous intensity of the source of light
- Potentiometer : It is used for comparing electromotive force of cells.
- Pyrometer : It measures very high temperature.
- 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
- Radiometer : It measures the emission of radiant energy.
- Rain Gauge : An apparatus for recording rainfall at a particular place.
- Rectifier : An instrument used for the conversion of AC into DC.
- Refractometer : It measures refractive index.
- Saccharimeter : It measures the amount of sugar in the solution.
- Salinometer : It determines the salinity of solution.
- Seismograph : It measures the intensity of earthquake shocks.
- 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.
India has been successfully launching satellites of various types since 1975. Apart from Indian rockets, these satellites have been launched from various vehicles, including American, Russian, and European rockets sometimes as well. The organization responsible for India's space program is the Indian Space Research Organisation (ISRO) and it shoulders the bulk of the responsibility of designing, building, launching, and operating these satellites.
firstResponsiveAdvt .
The list of various satellites of India is given below. Questions related to Indian Satellites also available.
Year
Satellite
Purpose
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1975
Aryabhata
First Indian Satellite.
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1979
Bhaskara-I
First experimental remote sensing satellite that carried TV and microwave cameras.
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1979
Rohini Technology Payload
The first Indian launch vehicle.
.
1980
Rohini RS-1...
Jatha Place Leader
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ഉപ്പ് സത്യാഗ്രഹ മാർച്ച് പാലക്കാട് - പയ്യന്നൂർ ടി ആർ കൃഷ്ണ സ്വാമി അയ്യർ .
കർഷക മാർച്ച് കാസർഗോഡ് - തിരുവനന്തപുരം AK ഗോപാലൻ (1960) .
കർഷക മാർച്ച് പാലക്കാട് - സബർമതി ആനന്ദ തീർത്തൻ .
ജീവശിഖാ മാർച്ച് അങ്കമാലി - തിരുവനന്തപുരം മന്നത് പദ്മനാഭൻ 1959 .
ടെംപിൾ ജാഥ കണ്ണൂർ - ഗുരുവായൂർ AK ഗോപാലൻ .
പട്ടിണി ജാഥ കണ്ണൂർ - മദ്രാസ് എ.കെ ഗോപാലൻ (1936) .
മലബാർ ജാഥ കോഴ...
The 2018 FIFA World Cup was the 21st FIFA World Cup, an international football tournament contested by the men's national teams of the member associations of FIFA once every four years. It took place in Russia from 14 June to 15 July 2018 .
The 2018 FIFA World Cup Final was the final match of the 2018 FIFA World Cup. It was the 21st final of the FIFA World Cup, a quadrennial association football tournament contested by the men's national teams of the member associations of FIFA. The match was contested by France and Croatia and held at the Luzhniki Stadium in Moscow, Russia, on 15 July 2018. France won the match 4–2.
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2018 FIFA World Cup
Winner France .
Runners Up Croatia .
Golden Ball Luka Moodric .
Golden Boot Harry Keyn .
Golden Glove Thibaut Courtious .
Young Player Kylin Mbape .
Fifa Fair Play Award Spain .
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FIFA Wold cup...
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