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Showing posts with label Physics. Show all posts
Showing posts with label Physics. Show all posts


Pressure- Pressure is defined as force per unit area. The standard unit for pressure is the Pascal (Pa) or Newton per square meter (N/m2).

For an object placed on a surface, the force exerted on the surface by the object is the weight of the object, but in different orientations it might have a different area in contact with the surface and therefore exert a different pressure.


Gravitation – Gravitation oftentimes also termed as Gravity is a force which found among all material objects in the universe. For any two objects or particles having non-zero mass, the force of gravity tends to attract them toward each other. Gravity works on objects of all sizes, be these subatomic particles or clusters of galaxies.

Work, Energy and Power

Work - When a force acts upon an object and displaces it from its original position, it is said that work was done upon the object. There associates three key component to work - force, displacement, and reason or source.


Scalars - Scalars are quantities that are fully described by a magnitude (or numerical value) alone.

Examples of Scalar Quantities - mass, length, temperature, energy, pressure, volume, electric charge, space-time interval, invariant mass

Vectors - Vectors are quantities that are fully described by both a magnitude and a direction.

Name and Symbols of Different Physical Terms, Descriptions and SI Units

Base quantity
SI unit
The one dimensional extent of an object.
metre (m)
The amount of matter in an object.

Important Physics Discoveries in Chronology Order

  • 1687 - Laws of motion and law of gravity: Newton
  • 1782 - Conservation of matter: Lavoisier 
  • 1785 - Inverse square law for electric charges confirmed: Coulomb 
  • 1801 - Wave theory of light: Young

Inventions, Inventor, Country and Year

  • Adrenaline: (isolation of) John Jacob Abel, U.S., 1897.
  • Aerosol can: Erik Rotheim, Norway, 1926.
  • Air brake: George Westinghouse, U.S., 1868.
  • Air conditioning: Willis Carrier, U.S., 1911.

List of Scientific Instruments and Uses

  • Absorptiometer - Instrument for measuring solubility of gases in liquids
  • Accelerometer - Instrument for measuring acceleration or vibrations
  • Acetimeter - Instrument for measuring strength of vinegar
  • Acidimeter - Instrument for measuring concentration of acids
  • Actinograph - Instrument used to calculate time of photographic exposure


Unit: A unit of measurement is a definite magnitude of a physical quantity, defined and adopted by convention and/or by law, that is used as a standard for measurement of the same physical quantity. Any other value of the physical quantity can be expressed as a simple multiple of the unit of measurement.

VIT University IGNITE 2014 Registration Open

The VIT University Presents IGNITE: Inter School Science & Math Challenge in association with the Times of India (TOI)

Let your students reach for the stars!

A dream trip to NASA could just be around the corner for one of your students.

The VIT University in association with the Times of India brings you IGNITE- an Inter-School Examination that will pit India’s smartest students against each other testing their knowledge in Science and Math.

The examination will comprise of objective type questions in Math, Physics and Chemistry. The examination will be held across the country. The winner for each region will go on to battle it out in a highly competitive National Quiz.

Times Now will telecast the Quiz.

The top 3 finalist from the quiz will win the grand prize- an all-expenses paid trip to NASA.

Challenge Details

  • Registration Deadline: 25 January 2014
  • Duration of Examination: 90 Minutes
  • Eligibility: 10th and 11th Standard students from India
  • Examination Date: 31 January 2014

For registration, venue and other details visit

CERN, Higgs Boson and the Rendezvous in Physics

CERN's Physicist has found Higgs Boson. The year 2012 will be remembered for Higgs Boson to the world. Read more about Higgs Boson, an Economic Times report, click here.

AIEEE 2012 Question Paper, Answer Key, Solution & Analysis

Are you an aspiring engineer, planning to appear for entrance exams like AIEEE and looking for previous years question papers and solutions, if yes, you are in the right place now. Here we are providing happenings from AIEEE 2012 to help you in preparing better. This section also useful to AIEEE 2012 test takers who are taking exam now and awaiting results.

Please not that AIEEE 2012 Results shall be publishind on official website during 1st week of June 2012.

Download AIEEE 2012 Question Paper, Answer Key & Solution Set C This solution is property of FIITJEE Ltd New Delhi.

Download AIEEE 2012 Question Paper, Answer Key & Solution Set C, Hindi Medium This solution is property of Resonance Kota and its associates.

AIEEE 2012 Question Paper Analysis

  • The All India Engineering Entrance Examination (AIEEE) 2012 Offline version conducted on 29.04.2012.
  • There were 30 questions in each subject of which 5 were Assertion Reason Type in Mathematics and 3 in Physics.
  • Each Section i.e. Physics, Chemistry and Mathematics carries 120 marks that means a total aggregate of 360 marks.
  • The Mathematics was in little higher side. As an analogy mathematics always seems bit tougher being science of sciences.
Click Here to Download AIEEE 2012 Chapter Wise Analysis The pdf attached to this link is property of Career Point Kota
  • Please take in note AIEEE 2012 Online exam is scheduled from 07.05.2012. The results shall be declared during 1st week of June.

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AIEEE 2012 Offline Exam on 29.04.2012

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DASA 2012 Organized By NIT Karnataka

DASA 2012 – Direct Admissions of Students Abroad in Undergraduate Courses in Engineering in National Institutes of Technology (NITs), IIITs and other premier Technical Institutions in India. Foreign Nationals / Persons of Indian Origin (PIOs) / Non-Resident Indians (NRIs) are eligible
to apply under this channel.

Eligibility Criteria for DASA 2012 Candidates is described below.

Minimum of 60% aggregate in qualifying examination i.e +2 or equivalent with Physics and Mathematics as compulsory subjects and any one of these as optional subjects Chemistry, Bio-technology, Computer Science, Biology.

Entrance Exam / Admission Test

A minimum of 1440 Score is essential in SAT (Physics+Chemistry+MathsII) for application. Your SAT Score Score must reach to NIT Karnataka before 29.04.2012. SAT is administered by College Board.
Inform College Board to SEND your SAT Score to NIT Karnataka. The DI Code is 6530.

DASA 2012 Application Fee

For candidates from Non-SAARC countries, the DD should be for $7250 in favor of
NITK DASA, payable at New York. For candidates from SAARC countries, the
DD should be for $3750.

Contact Details

DASA office phone +91 824 2474085
Website: This website is secure for online transactions.
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IIT JEE 2012 Question Paper and Solution

IIT JEE 2012 conducted on April 8, 2012. Download Question Papers and Solutions in PDF eBooks format as supplied by Resonance. These question papers and solutions will help you in analyzing your performance as well as in preparation for upcoming entrance exams.

Resonance is one of the well known coaching center of North India for IIT JEE preparation.

IIT JEE 2012 Results shall be declared on May 18, 2012

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