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FORCE ON A CHARGE IN A ELECTRIC FIELD :- A charge q inside an electric field of strength E experiences force F is [F] = [qE] = qE MOTION OF A CHARGE INSIDE ELECTRIC FIELD :- If a potential difference V is applied b/w two parallel plates a uniform electric field is set up b/w the fields E = V/d A charge q of mass m experiences force F = qE The charge moves inside an electric field follows a parabolic path FORCE ON A
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submitted by aankurverma (1310 m) on 2 May 2007 00:21:15 IST (4 comments 158 views)
NEVER COMPROMISE Quite often we find it hard to choose the right career track / course for ourselves. Being influenced heavily by the market trends, streams in great demand; we often join a short term / long term course and after its completion jump into the wrong career line we do not have the natural inclination of. We join a course or a training to learn about a field with which our heart is not convinced; and that's the seed of a 'dissatisfaction tree' which keeps on growing with passage of time in our lives.A little soul searching before joining any course / training or choosing a career can prevent us from this wrong beginning.Gone are
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submitted by raghuram369 (60 m) on 2 May 2007 19:03:14 IST (0 comments 83 views)
FEAR THE FEAR We all experience butterflies in stomach in different circumstances and we learn to come over them ourselves. On any exam day, we often see varied behavior in students standing outside the exam room. Some are sitting huddled in some corner with their small pieces of paper notes; some are discussing some points/facts in their own small groups; some are posing as if there's nothing special today; while some are just bullying others.Well, none can ever say what is the level of preparation with each of the students appearing for the exam and how one should behave. You are free to act the way you feel comfortable. The point is jus
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submitted by raghuram369 (60 m) on 2 May 2007 19:01:18 IST (0 comments 54 views)
TIPS FOR EXAMS Fortunately or unfortunately, competitive exams have become a strict norm for selection to various professional courses in our country. Notwithstanding the demerits of such a system, competitive exams are a reality for the lakhs of students who appear in them every year. In such a scenario, everyone wants to success. Success in these exams brings immense glory and confidence to the individuals, besides giving them a clear cut break into the career line of their choice. However, seats are limited and not everyone who appears can be selected. This does not mean that those who are not selected do not deserve a training in these cour
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submitted by raghuram369 (60 m) on 2 May 2007 18:55:39 IST (0 comments 77 views)
friends here are some site i could get to provide u some sample test for bitsat and other competetive exams hope u find them useful www.swingwind.com www.bindaas.info www.adhyapak.com
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submitted by raghuram369 (60 m) on 1 May 2007 23:56:51 IST (6 comments 261 views)
There are two main types of bombs which release energy from the nuclei of atoms. The simplest kind is an atomic bomb. Like a nuclear power plant, it releases great quantities of energy through a process called nuclear fission, or 'splitting', of a large unstable (radioactive) element like uranium or plutonium.A more complicated type is the hydrogen bomb, or thermonuclear bomb, which releases an even greater quantity of energy through nuclear fusion, a process which has not yet been put to peaceful uses.The purpose of this page is to explain how each type of device works, from a physics perspective.The devices described here are the original designs, perhap
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submitted by INDIAN_ARMY19890 (1224 m) on 2 May 2007 15:12:09 IST (0 comments 100 views)
Synthesis of Addition Polymers All the monomers from which addition polymers are made are alkenes or functionally substituted alkenes. The most common and thermodynamically favored chemical transformations of alkenes are addition reactions. Many of these addition reactions are known to proceed in a stepwise fashion by way of reactive intermediates, and this is the mechanism followed by most polymerizations. A general diagram illustrating this assembly of linear macromolecules, which supports the name chain growth polymers, is presented here. Since a pi-bond in the monomer is converted to a sigma-bond in the polymer, the polymerization reaction is usually exothermic
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submitted by nikhila1234 (336 m) on 20 Apr 2007 12:40:43 IST (7 comments 272 views)
Decoder starts here...... my first article u can is a clarification of misconceptions which all of us hold for deep space study..... * Many students show themselves as " cosmogeeks "..this thing advances when they meet me..from then on i come to know about the curiousity and concept balance of indian children regarding cosmology...... mY mates often come to me.to clarify themselves...here are some common doubts i frequently observe.... Universe will end in a black hole & all of us would be gulped down.... Freinds...black hole isn't such a big phenomenon for the universe to end in it...such incident is actually called Big Crunch ....an
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submitted by Decoder (333 m) on 1 May 2007 16:46:21 IST (5 comments 132 views)
PROJECTILE What follows is a general solution for the two dimensional motion of an object thrown in a gravitational field. This is usually termed a projectile motion problem. The thrown object is called the projectile. Its path is called the trajectory. We will answer all the usual questions that arise in a first year physics class regarding this motion. We will not consider air resistance. Without air resistance, the projectile will follow a parabolic trajectory. We will be throwing the projectile on level ground on planet Earth. It will leave the point of release, arc through the air along a path shaped like a parabola, and then hit ground a certain distance
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submitted by INDIAN_ARMY19890 (1224 m) on 2 May 2007 02:40:26 IST (0 comments 113 views)
RESOLUTION OF VECTOR The word components, in the following context, means parts. So, to talk about the components of a vector, we mean the parts of a vector. For a great amount of situations the important parts of a vector are it's x-part and its y-part, or its x-component and its y-component. Here we will see how to find the x-component and the y-component of a vector. The vector we will use in the following discussion is a force vector. The methods shown here, though, are true for any vector, such as a displacement, velocity, or acceleration vector. Here on the (x, y) set of axes is the force vector that we will be dealing with:
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Frontier Molecular Orbital theoryApart from electrostatic interactions, the overlap between orbitals may favour the reaction between an electron donor and an electron acceptor. A high (in energy) lying occupied orbital in the donor may overlap with a low lying empty one in the acceptor, leading to a net stabilization. The strength of the interaction is determined by: the energy difference between the two orbitals involved (the smaller the better). the amount of overlap between the orbitals (the larger the better). These effects can account for the subtle differences that are found in facial selectivity, caused by steric effects which hinder overlap, o
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submitted by uday_zingtudor (931 m) on 30 Apr 2007 22:47:40 IST (2 comments 88 views)
Hi friends ! i know u all must be tensed after the AIEEE paper. By this time u all must have checked your answers from some good institute and must be aware what your score will be. But what about rank ? Can i get into NIT ? Can i get a good college? All these questions must be scratching u. Well i have talked to some of my senior friends, counterparts, teachers and many others. What they have told me about ranks in AIEEE, i am going to discuss now. Every year in AIEEE, AIR 1 is one who has done around 90% of his paper accurate. For
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submitted by AIR1 (107 m) on 1 May 2007 12:44:36 IST (20 comments 1095 views)
Reciprocal Properties: Quotient Properties: Pythagorean Properties: Odd and Even Function Properties:sin(-x) = -sin xcos(-x) = cos xtan(-x) = -tan xcot(-x) = -cot xsec(-x) = sec xcsc(-x) = -csc x Cofunction Properties for Circular Functions: Cofunction Properties for Trigonometric Functions: Composite Argument Property:cos (A - B) = cosA cosB + sinA sinBcos (A + B) = cosA cosB - sinA sinBsin (A - B) = sinA cosB - cosA sinBsin (A + B) = sinA cosB + cosA sinB Double-Argument Properties:sin 2x = 2 sinx cosxcos 2x = cos2x - sin2x = 1 - 2 sin2x = 2 cos2x - 1 Ha
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submitted by INDIAN_ARMY19890 (1224 m) on 29 Apr 2007 00:50:11 IST (4 comments 205 views)
MAGNETIC EFFECT OF CURRENT BIOT SAVART'S LAW :- The magnetic field (in magnitude) at a point at a diastance r frm a current carrying element of length dl n carrying a current I is given by db = o/4. I [dl * r]/r3 = o/4. I dl sin/r2 where is the angle b/w the direction of the current n the line joining the current elements to the observation point n o is absolute permeability of the free space
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submitted by aankurverma (1310 m) on 1 May 2007 04:15:08 IST (8 comments 588 views)
Here are some shortcuts which you should never ever forget! 1)Area of the triangle made by the line ax+by+c=0 and the co ordinate axes is c2/(2ab) 2)Area of the rhombus formed by ax(+or-)by(+or-)c=0 is 2c2/ab 3)If ABCD is parallelogram then D=A-B+C Eg:If (1,6),(2,5),(5,1) are three vertices of a parallelogram then fourth vertex is (1-2+5,6-5+1) ie(4,2) 4)The foot of the perpendicular (h,k) from (x1,y1) to the line ax+by+c=0 is given by (h-x1)/a=(k-y1)/b= -(ax1+by1+c)/(a2+b2) 5)The image or reflection of the point (x1,y1) in the line ax+by+c=0 is (h,k) where (h-x1)/a=(k-y1)/b= -2(ax1+by1+c)/(a2+b2) (4) and 5
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submitted by KAB (1664 m) on 17 Apr 2007 14:05:21 IST (8 comments 446 views)
PLEASE HELP ME OUT GUYS. FROM WHERE I CAN GET ANSWERS TO AIEEE 2007 PAPER 2 ALSO I HAVE SECURED 100 MARKS IN PAPER 1 WHT WOULD BE MY EXPECTED RANK IN AIEEE
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submitted by TPSD40 (0 m) on 1 May 2007 21:54:19 IST (0 comments 131 views)
1-The strongest muscle in the body is the tongue.2-It takes about 20 seconds for a red blood cell to circle the whole body.3-The average human will eat an average of 8 spiders while sleeping.4-The average women consumes 6lbs of lipstick in her lifetime.5-On average, a 4-year-old child asks 437 questions a day.6-Only 7% of the population are lefties.7-The average person's left hand does 56% of the typing.8-A human brain weighs about 3lbs.9-1/4 of the bones in your body are in your feet.10-You blink over 10,000,000 times a year.11-When you sneeze, all bodily functions stop ... Even your heart.12-If you yelled for 8 years, 7 months and 6 days you would have produced en
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Hello, everybody. It took about two hours to make this crossword puzzle, for all you my dear friends. I choose this way to make our education with entertainment and fun. Hope you will enjoy this.Answers to the given puzzle will be given tomorrow. i.e. 2-may-2007. In my same article.So lets solve this puzzle, BEST OF LUCK!!!plz rate my article. The order rate of increasing altitude of mine is seemed to be zero order.ThanksYours TrulyVivekACROSS1. Heat of a reaction4. Calcium ammonium nitrate5. Lightest metal7. Ether can be represented as......8. Metals are easily and economically exploited from this.9. When a III A or V A group element is introduced into silicon, it
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submitted by vkvashistha (305 m) on 1 May 2007 17:24:36 IST (4 comments 136 views)
since last i posted some predictions which were "cut copy and pasted frm somebody blog i have been receiving messages abt cutt off rank prediction predited scores blah blah blah( i found a person who has posted his scores at each end every forum abt ranks )i would like to ask everybody does ur repeatedly asking abt " what will be my rank"or " which college will i get" etc.etc. is gonna change ur score or will fecth u more marks .its to early to predict what will be the cutoff or avg performance of aspirantsi am not an expert and myself givin all exams for first time but even we don't do well in one we can prepare better for the next" it has beeen rightly said
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submitted by sunayana_kushwaha (140 m) on 30 Apr 2007 16:04:39 IST (7 comments 596 views)
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