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Re: This is start

Post by Himanshu singh on Thu Sep 10, 2015 1:14 pm

yash kumar wrote:what is the difference b/w 'G' & 'g'

in 'Gravitation'
'G' is the the gravitational constant an 'g' is the acceleration due to gravity on earth Very Happy

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Re: This is start

Post by saurabh mishra123 on Thu Sep 10, 2015 11:54 am

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Re: This is start

Post by saurabh mishra123 on Thu Sep 10, 2015 11:47 am

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Re: This is start

Post by imanshul on Thu Sep 10, 2015 9:25 am




I THINK U LIKE IT..
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Re: This is start

Post by Aneesh Yadav on Thu Sep 10, 2015 5:35 am

Hey Guys!!!! I've got an interesting post on blog "http://curiousaneesh.blogspot.in/" . Watch this out!! Twisted Evil Twisted Evil Twisted Evil Razz Cool


Last edited by Aneesh Yadav on Sat Sep 19, 2015 3:37 pm; edited 1 time in total
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Re: This is start

Post by Aneesh Yadav on Wed Sep 09, 2015 3:48 pm

Hey Guys!! This is a video made by me !! Cool  Cool  Twisted Evil  Twisted Evil

Cool Cool Smile
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Re: This is start

Post by Jatin Tiger on Wed Sep 09, 2015 9:41 am


that is the best vidio
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Re: This is start

Post by Yojit on Wed Sep 09, 2015 8:55 am

Aneesh Yadav wrote:Hey Guys!! There's an amazing video!! Watch this out Twisted Evil  Twisted Evil  Twisted Evil  Twisted Evil
Arrow  Arrow awesome video on solar panel Idea  Idea
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Re: This is start

Post by KIRTI on Wed Sep 09, 2015 8:33 am

the difference between g and G is :

g is the acceleration due to gravity . it varies from place to place.
whereas,
G is the universal gravitational constant and it is same everywhere,i.e, it is constant .
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Re: This is start

Post by imanshul on Wed Sep 09, 2015 8:24 am

A chemical reaction is a process that leads to the transformation of one set of chemical substances to another.[1] Classically, chemical reactions encompass changes that only involve the positions of electrons in the forming and breaking of chemical bonds between atoms, with no change to the nuclei (no change to the elements present), and can often be described by a chemical equation.





Equations

As seen from the equation CH
4 + 2 O
2 → CO
2 + 2 H
2O, a coefficient of 2 must be placed before the oxygen gas on the reactants side and before the water on the products side in order for, as per the law of conservation of mass, the quantity of each element does not change during the reaction
Main article: Chemical equation
Chemical equations are used to graphically illustrate chemical reactions. They consist of chemical or structural formulas of the reactants on the left and those of the products on the right. They are separated by an arrow (→) which indicates the direction and type of the reaction; the arrow is read as the word "yields".[7] The tip of the arrow points in the direction in which the reaction proceeds. A double arrow (is in equilibrium with) pointing in opposite directions is used for equilibrium reactions. Equations should be balanced according to the stoichiometry, the number of atoms of each species should be the same on both sides of the equation. This is achieved by scaling the number of involved molecules (A, B, C and D in a schematic example below) by the appropriate integers a, b, c







Elementary reactions
\mathrm{AB \longrightarrow A + B}
Dissociation of a molecule AB into fragments A and B
For bimolecular reactions, two molecules collide and react with each other. Their merger is called chemical synthesis or an addition reaction.

\mathrm{A + B \longrightarrow AB}
Another possibility is that only a portion of one molecule is transferred to the other molecule. This type of reaction occurs, for example, in redox and acid-base reactions. In redox reactions, the transferred particle is an electron, whereas in acid-base reactions it is a proton. This type of reaction is also called metathesis.

\mathrm{HA + B \longrightarrow A + HB}
for example

NaCl_{(aq)} + AgNO_{3(aq)} \longrightarrow NaNO_{3(aq)} + AgCl_{(s)}


this is a description of chemical and reactions







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Re: This is start

Post by yash kumar on Wed Sep 09, 2015 8:17 am

what is the difference b/w 'G' & 'g'

in 'Gravitation'
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Re: This is start

Post by Aneesh Yadav on Wed Sep 09, 2015 6:16 am

Sanya Seth wrote:Hey!
Can anyone tell me what is the direction of velocity of an object moving along a circular path?


Here is your answer Sanya!!!! Very Happy

Twisted Evil Twisted Evil  The direction of velocity of an object moving along a circular path is along the tangent to the circle at every point.

     Razz Razz


Last edited by Aneesh Yadav on Fri Sep 18, 2015 5:02 pm; edited 1 time in total
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Re: This is start

Post by Sanya Seth on Tue Sep 08, 2015 10:22 pm

Hey!
Can anyone tell me what is the direction of velocity of an object moving along a circular path?

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Re: This is start

Post by Aneesh Yadav on Tue Sep 08, 2015 9:16 pm

Hey Guys!! There's an amazing video!! Watch this out Twisted Evil Twisted Evil Twisted Evil Twisted Evil

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Re: This is start

Post by ShubhGarg on Tue Sep 08, 2015 9:09 pm

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Re: This is start

Post by VK KUMAR on Tue Sep 08, 2015 9:06 pm

HEY THERES AN IMPORTANT AND AMAZING QUESTION                                                                                                                                          
WHY DO WE SNEEZE ? AND WHY ARE OUR EYES ARE OFTEN CLOSED? Sleep Sleep Sleep Sleep Sleep Sleep Sleep Sleep Sleep Sleep Sleep


Last edited by VK KUMAR on Tue Sep 08, 2015 9:25 pm; edited 8 times in total
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Re: This is start

Post by Aneesh Yadav on Tue Sep 08, 2015 8:56 pm

Hey guys!!!! Here's an interesting question.....
Why do we dream? Exclamation Exclamation Exclamation Question Question Neutral
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Re: This is start

Post by DAV Science Teacher on Tue Sep 08, 2015 6:48 pm

dear students

i have given four new topics other that this is start. now post your comments in those.

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Blog Address

Post by Aneesh Yadav on Tue Sep 08, 2015 5:44 pm

Cool  Cool    Hey guys check out my new blog  "curiousaneesh.blogspot.in"
It is full of interesting videos and fact.!!!! cheers king king Smile Smile Smile Cool


Last edited by Aneesh Yadav on Tue Sep 08, 2015 8:53 pm; edited 3 times in total (Reason for editing : something new)
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Re: This is start

Post by Aneesh Yadav on Tue Sep 08, 2015 5:20 pm

VK KUMAR wrote:
Aneesh Yadav wrote:Hey Guys!!!!!  there's an interesting question.
We know that the value gravitational constant is approximately 6.674×10−11 N⋅m2/kg2 and denoted by letter G.
But how we were able to find the value of G i.e., gravitational constant.  
Question  Question  Exclamation  Rolling Eyes
THE VALUE OF G WAS FOUND OUT BY HENRY CAVENDISH [1731-1810] BY USING A SENSITIVE BALANCE THE ACCEPTED VALUE IS 6.67 *10 -11 NM2 \KG2

Thank You Vishal... Very Happy Very Happy Very Happy
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Re: This is start

Post by VK KUMAR on Tue Sep 08, 2015 5:09 pm

Aneesh Yadav wrote:Hey Guys!!!!!  there's an interesting question.
We know that the value gravitational constant is approximately 6.674×10−11 N⋅m2/kg2 and denoted by letter G.
But how we were able to find the value of G i.e., gravitational constant.  
Question  Question  Exclamation  Rolling Eyes
THE VALUE OF G WAS FOUND OUT BY HENRY CAVENDISH [1731-1810] BY USING A SENSITIVE BALANCE THE ACCEPTED VALUE IS 6.67 *10 -11 NM2 \KG2
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Gravitation

Post by Aneesh Yadav on Tue Sep 08, 2015 4:03 pm

Hey Guys!!!!! there's an interesting question.
We know that the value gravitational constant is approximately 6.674×10−11 N⋅m2/kg2 and denoted by letter G.
But how we were able to find the value of G i.e., gravitational constant.  
Question  Question  Exclamation  Rolling Eyes


Last edited by aneesh yadav on Tue Sep 08, 2015 4:34 pm; edited 1 time in total (Reason for editing : Curiosity)
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Re: This is start

Post by Indrakant Dana on Tue Sep 08, 2015 2:19 pm

This is the video made by me...Short movie on space..Hope you all like it..!!! Smile


Arrow Arrow
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Re: This is start

Post by Indrakant Dana on Tue Sep 08, 2015 1:22 pm

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Re: This is start

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