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.
The UNESCO , a specialised agency of the United Nations, has a list of sites, such as forest, mountain, lake, desert, monument, across the world which UNESCO considers is in the interest of international community to preserve each sites. These are the places of natural or cultural heritage. India with its rich biodiversity and great wildlife heritage has these natural World Heritage Sites. As of 2018, India has 36 heritage sites, the sixth most of any country.
firstResponsiveAdvt
Name of Heritage sites
Year
Place
.
Ajanta Caves
1983
Maharashtra
.
Ellora Caves
1983
Maharashtra
.
Agra Fort
1983
Uttar Pradesh
.
Taj Mahal
1983
Uttar Pradesh
.
Sun Temple
1984
Orissa
.
Mahabalipuram
Monuments
1984
Tamil Nadu
.
Kaziranga
National Park
1985
Assam
.
Keoladeo
National Park
1985...
Bitcoin is a form of digital currency, created and held electronically. It allows you to move money without being traced because all transactions are anonymous. Bitcoins are just lines of computer code that hold monetary value. Those lines of code are created by electricity and computers. Bitcoin was the first crypto coin currency ever invented. Bitcoin’s “creator” is known as Satoshi Nakamoto. They have never been identified.
Bitcoin can be used to buy things electronically. The Bitcoin idea was to produce a currency independent of any central authority, transferable electronically, more or less instantly, with very low transaction fees. .
How a Bitcoin Transaction Works .
If Alice sends some bitcoins to Bob, that transaction will have three pieces of information:.
An input. This is a record of which bitcoin address was used to send the bitcoins to Alice in the first place (she received them from her fr...
Bhakra Nangal Dam Type: Concrete gravity.
River: Sutlej River.
Location: Himachal Pradesh.
Hirakud Dam Type: Composite Dam.
River: Mahanadi River.
Location: Orissa.
NagarjunaSagar Dam Type: Masonry Dam.
River: Krishna River.
Location: Andhra Pradesh.
Sardar Sarovar Dam Type: Gravity Dam.
River: Narmada River.
Location: Gujarat.
Tehri Dam Type: Earth and rock-fill.
River: Bhagirathi River.
Location: Uttarakhand.
Dam River State .
.
Alamatti Krishna Karnataka .
Baglihar Chenab Jammu and Kashmir .
Bhakra Nangal Sutlej Himachal Pradesh .
Chutak Suru Jammu and Kashmir .
Gandhisagar Chambal Madhya Pradesh .
Hirakud Mahanadi Orissa .
Koyna Koyna Maharashtra .
Krishnaraja Sagar Kaveri Karnataka .
Maithon Barakar Jharkh...
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