Search found 4 matches
- Tue Sep 04, 2012 11:59 am
- Forum: H. Secondary: Solved
- Topic: Dhaka Higher Secondary 2011/4
- Replies: 8
- Views: 13343
Re: Dhaka Higher Secondary 2011/4
it was a very easy one....hohoho...bt many got perplexed..
- Wed May 30, 2012 9:11 pm
- Forum: Secondary Level
- Topic: BEAUTIFUL PI IN NEW MOOD
- Replies: 3
- Views: 3237
BEAUTIFUL PI IN NEW MOOD
I KNOW ALL OF U CAN PROVE-------
\[\pi = {360\times sin\frac{\theta }{2}}\]
here theta is infinitely small a radian angle.
\[\pi = {360\times sin\frac{\theta }{2}}\]
here theta is infinitely small a radian angle.
magnets
A rather funny question is bothering me---- IF TWO OPPOSITE POLES OF TWO MAGNETS ARE PUT NEARER THEY WILL ATTRACT ONE ANOTHER , AND IF SOMETHING IN THE MIDDLE JUST SEPERATE THEM ,THE POLES WILL CREATE A MAGNETIC PRESSURE ON THAT.TO CREATE THIS PRESSURE SOME ENERGY WILL BE CONSUMED NATURALLY . BUT IF...
- Wed May 30, 2012 8:29 pm
- Forum: Chemistry
- Topic: তাপ দিব কেন ?
- Replies: 6
- Views: 11636
Re: তাপ দিব কেন ?
no brother, for this case another rule take effect. we know for any reaction heat increase the collision rate among the reacting molecules and so heat also make the reaction faster. so to escape this horns of a dillema we need to meet both ends. so 750 c makes the reaction both fast and efficient or...