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.
Part
Subject
Articles
.
Part I
The Union and its territory
Article. 1 to 4
.
Part II
Citizenship
Article. 5 to 11
.
Part III
Fundamental Rights
Article. 12 to 35
.
Part IV
Directive Principles
Article. 36 to 51
.
Part IVA
Fundamental Duties
Article. 51A
.
Part V
The Union
Article. 52 to 151
.
Part VI
The States
Article. 152 to 237
.
Part VII
Repealed by Const. (7th Amendment) Act, 1956
.
Part VIII
The Union Territories
Article. 239 to 242
.
Part IX
The Panchayats
Article. 243 to 243O
.
Part IXA
The Muncipalities
Article. 243P to 243ZG
.
Part IXB
The Co-operative Societies
Article. 243ZH to 243ZT
.
Part X
The Scheduled and Tribal Areas
Article. 244 to 244A
.
...
പിണറായി വിജയൻ .
മുഖ്യമന്ത്രി, പൊതുഭരണം, ആഭ്യന്തരം, വിജിലൻസ്, വിവരസാങ്കേതികവിദ്യ, ആസൂത്രണം, ശാസ്ത്രസാങ്കേതികം, പരിസ്ഥിതി, ജയിൽ, കായികം.
സ്പീക്കർ: പി. ശ്രീരാമകൃഷ്ണൻ ഡെപ്യൂട്ടി സ്പീക്കർ : വി. ശശി .
ടി.എം. തോമസ് ഐസക് .
ധനകാര്യം, കയർ, ലോട്ടറി, ടാക്സ്.
സി. രവീന്ദ്രനാഥ് .
വിദ്യാഭ്യാസം, കോളേജ് വിദ്യാഭ്യാസം, പ്രവ...
Sum of first "n" Natural numbers =n❲ n+1 ∕ 2 ❳.
Sum of first "n" Odd numbers =n².
Sum of first "n" even numbers =n(n+1).
1²+2²+3²+....n(n+1)(2n+1)/6.
1³+2³+3³+....[n(n+1)/2].
The product of two numbers=Product of their HCF and LCM .
ആദ്യത്തെ 'n' എണ്ണൽ സംഖ്യകളുടെ തുക = n(n+1) /2.
ആദ്യത്തെ 'n' ഒറ്റ സംഖ്യകളുടെ തുക = n².
ആദ്യത്തെ 'n' ഇരട്ട സംഖ്യകളുടെ തുക = n(n+1).
ആദ്യത്തെ 'n' എണ്ണൽ സംഖ്യകളുടെ വർഗ്ഗങ്ങളുടെ തുക = n(n+1)(2n+1) / 6.
ആദ്യത്തെ 'n' എണ്ണൽ സംഖ്യകളുടെ ക്യൂബുകളുടെ തുക = [n(n+1) / 2]².
ആദ്യ പദം 'a', പൊതു വ്യത്യാസം 'd' ആ...
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